55656600 has 48 divisors (see below), whose sum is σ = 172537320. Its totient is φ = 14841600.

The previous prime is 55656581. The next prime is 55656611. The reversal of 55656600 is 665655.

It is a congruent number.

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, 45781 + ... + 46980.

Almost surely, 2^55656600 is an apocalyptic number.

55656600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55656600 is an abundant number, since it is smaller than the sum of its proper divisors (116880720).

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

55656600 is a wasteful number, since it uses less digits than its factorization.

55656600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92780 (or 92771 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 55656600 is about 7460.3351131166. The cubic root of 55656600 is about 381.8026081052.

The spelling of 55656600 in words is "fifty-five million, six hundred fifty-six thousand, six hundred".