55988625 has 96 divisors (see below), whose sum is σ = 118654848. Its totient is φ = 23184000.

The previous prime is 55988567. The next prime is 55988627. The reversal of 55988625 is 52688955.

It is not a de Polignac number, because 55988625 - 2⁹ = 55988113 is a prime.

It is a super-2 number, since 2×55988625² = 6269452258781250, which contains 22 as substring.

Its product of digits (864000) is a multiple of the sum of its prime factors (320).

It is not an unprimeable number, because it can be changed into a prime (55988627) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 201987 + ... + 202263.

It is an arithmetic number, because the mean of its divisors is an integer number (1235988).

Almost surely, 2^55988625 is an apocalyptic number.

55988625 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55988625 is an abundant number, since it is smaller than the sum of its proper divisors (62666223).

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

55988625 is a wasteful number, since it uses less digits than its factorization.

55988625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320 (or 303 counting only the distinct ones).

The product of its digits is 864000, while the sum is 48.

The square root of 55988625 is about 7482.5547107923. The cubic root of 55988625 is about 382.5603305239.

The spelling of 55988625 in words is "fifty-five million, nine hundred eighty-eight thousand, six hundred twenty-five".