55483340 has 72 divisors (see below), whose sum is σ = 129908016. Its totient is φ = 19888000.

The previous prime is 55483331. The next prime is 55483367. The reversal of 55483340 is 4338455.

It is a junction number, because it is equal to n+sod(n) for n = 55483297 and 55483306.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 244307 + ... + 244533.

It is an arithmetic number, because the mean of its divisors is an integer number (1804278).

Almost surely, 2^55483340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55483340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64954008).

55483340 is an abundant number, since it is smaller than the sum of its proper divisors (74424676).

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

55483340 is a wasteful number, since it uses less digits than its factorization.

55483340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359 (or 346 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 55483340 is about 7448.7139829638. The cubic root of 55483340 is about 381.4060101453.

It can be divided in two parts, 5548 and 3340, that added together give a palindrome (8888).

The spelling of 55483340 in words is "fifty-five million, four hundred eighty-three thousand, three hundred forty".