55868900 has 36 divisors (see below), whose sum is σ = 123825408. Its totient is φ = 21870240.

The previous prime is 55868893. The next prime is 55868933. The reversal of 55868900 is 986855.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1244 + ... + 10643.

Almost surely, 2^55868900 is an apocalyptic number.

55868900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55868900 is an abundant number, since it is smaller than the sum of its proper divisors (67956508).

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

55868900 is a wasteful number, since it uses less digits than its factorization.

55868900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11948 (or 11941 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 41.

The square root of 55868900 is about 7474.5501536882. The cubic root of 55868900 is about 382.2874493699.

The spelling of 55868900 in words is "fifty-five million, eight hundred sixty-eight thousand, nine hundred".