55902872 has 16 divisors (see below), whose sum is σ = 105159600. Its totient is φ = 27860320.

The previous prime is 55902871. The next prime is 55902877. The reversal of 55902872 is 27820955.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55902871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8747 + ... + 13722.

It is an arithmetic number, because the mean of its divisors is an integer number (6572475).

Almost surely, 2^55902872 is an apocalyptic number.

It is an amenable number.

55902872 is a deficient number, since it is larger than the sum of its proper divisors (49256728).

55902872 is a wasteful number, since it uses less digits than its factorization.

55902872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22786 (or 22782 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 55902872 is about 7476.8223196757. The cubic root of 55902872 is about 382.3649190521.

The spelling of 55902872 in words is "fifty-five million, nine hundred two thousand, eight hundred seventy-two".