55804992 has 56 divisors (see below), whose sum is σ = 154082496. Its totient is φ = 17791488.

The previous prime is 55804981. The next prime is 55804993. The reversal of 55804992 is 29940855.

It is a super-2 number, since 2×55804992² = 6228394264240128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55804993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1903 + ... + 10734.

Almost surely, 2^55804992 is an apocalyptic number.

It is an amenable number.

55804992 is an abundant number, since it is smaller than the sum of its proper divisors (98277504).

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

55804992 is a wasteful number, since it uses less digits than its factorization.

55804992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12675 (or 12665 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 55804992 is about 7470.2738905612. The cubic root of 55804992 is about 382.1416285417.

The spelling of 55804992 in words is "fifty-five million, eight hundred four thousand, nine hundred ninety-two".