55372356 has 48 divisors (see below), whose sum is σ = 154604800. Its totient is φ = 17037216.

The previous prime is 55372319. The next prime is 55372367. The reversal of 55372356 is 65327355.

55372356 is a `hidden beast` number, since 553 + 72 + 35 + 6 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 55372356.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18316 + ... + 21123.

Almost surely, 2^55372356 is an apocalyptic number.

It is an amenable number.

55372356 is an abundant number, since it is smaller than the sum of its proper divisors (99232444).

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

55372356 is a wasteful number, since it uses less digits than its factorization.

55372356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39465 (or 39457 counting only the distinct ones).

The product of its digits is 94500, while the sum is 36.

The square root of 55372356 is about 7441.2603771135. The cubic root of 55372356 is about 381.1515300292.

The spelling of 55372356 in words is "fifty-five million, three hundred seventy-two thousand, three hundred fifty-six".