55331350 has 12 divisors (see below), whose sum is σ = 102916404. Its totient is φ = 22132520.

The previous prime is 55331327. The next prime is 55331351. The reversal of 55331350 is 5313355.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55331351) 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 5 ways as a sum of consecutive naturals, for example, 553264 + ... + 553363.

It is an arithmetic number, because the mean of its divisors is an integer number (8576367).

Almost surely, 2^55331350 is an apocalyptic number.

55331350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55331350 is a deficient number, since it is larger than the sum of its proper divisors (47585054).

55331350 is a wasteful number, since it uses less digits than its factorization.

55331350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106639 (or 1106634 counting only the distinct ones).

The product of its (nonzero) digits is 3375, while the sum is 25.

The square root of 55331350 is about 7438.5045540082. The cubic root of 55331350 is about 381.0574195349.

The spelling of 55331350 in words is "fifty-five million, three hundred thirty-one thousand, three hundred fifty".