55988700 has 36 divisors (see below), whose sum is σ = 161994840. Its totient is φ = 14930240.

The previous prime is 55988677. The next prime is 55988711. The reversal of 55988700 is 788955.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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, 93015 + ... + 93614.

Almost surely, 2^55988700 is an apocalyptic number.

55988700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55988700 is an abundant number, since it is smaller than the sum of its proper divisors (106006140).

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

55988700 is a wasteful number, since it uses less digits than its factorization.

55988700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186646 (or 186639 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 42.

The square root of 55988700 is about 7482.5597224479. The cubic root of 55988700 is about 382.5605013444.

The spelling of 55988700 in words is "fifty-five million, nine hundred eighty-eight thousand, seven hundred".