55465344 has 128 divisors (see below), whose sum is σ = 178704000. Its totient is φ = 16796160.

The previous prime is 55465343. The next prime is 55465367. The reversal of 55465344 is 44356455.

55465344 is a `hidden beast` number, since 554 + 65 + 3 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 55465299 and 55465308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55465343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37287 + ... + 38745.

It is an arithmetic number, because the mean of its divisors is an integer number (1396125).

Almost surely, 2^55465344 is an apocalyptic number.

55465344 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55465344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89352000).

55465344 is an abundant number, since it is smaller than the sum of its proper divisors (123238656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55465344 is a wasteful number, since it uses less digits than its factorization.

55465344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493 (or 1475 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 55465344 is about 7447.5058912363. The cubic root of 55465344 is about 381.3647693886.

Subtracting from 55465344 its reverse (44356455), we obtain a square (11108889 = 3333²).

The spelling of 55465344 in words is "fifty-five million, four hundred sixty-five thousand, three hundred forty-four".