55992856 has 32 divisors (see below), whose sum is σ = 110561760. Its totient is φ = 26532352.

The previous prime is 55992841. The next prime is 55992889. The reversal of 55992856 is 65829955.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19446 + ... + 22138.

It is an arithmetic number, because the mean of its divisors is an integer number (3455055).

Almost surely, 2^55992856 is an apocalyptic number.

It is an amenable number.

55992856 is a deficient number, since it is larger than the sum of its proper divisors (54568904).

55992856 is a wasteful number, since it uses less digits than its factorization.

55992856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2835 (or 2831 counting only the distinct ones).

The product of its digits is 972000, while the sum is 49.

The square root of 55992856 is about 7482.8374297455. The cubic root of 55992856 is about 382.5699668384.

The spelling of 55992856 in words is "fifty-five million, nine hundred ninety-two thousand, eight hundred fifty-six".