55663692 has 48 divisors (see below), whose sum is σ = 156253440. Its totient is φ = 15066432.

The previous prime is 55663681. The next prime is 55663733. The reversal of 55663692 is 29636655.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 15843 + ... + 19034.

It is an arithmetic number, because the mean of its divisors is an integer number (3255280).

Almost surely, 2^55663692 is an apocalyptic number.

It is an amenable number.

55663692 is an abundant number, since it is smaller than the sum of its proper divisors (100589748).

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

55663692 is a wasteful number, since it uses less digits than its factorization.

55663692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34910 (or 34908 counting only the distinct ones).

The product of its digits is 291600, while the sum is 42.

The square root of 55663692 is about 7460.8104117448. The cubic root of 55663692 is about 381.8188243856.

The spelling of 55663692 in words is "fifty-five million, six hundred sixty-three thousand, six hundred ninety-two".