55985232 has 20 divisors (see below), whose sum is σ = 144628640. Its totient is φ = 18661728.

The previous prime is 55985219. The next prime is 55985257. The reversal of 55985232 is 23258955.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583132 + ... + 583227.

It is an arithmetic number, because the mean of its divisors is an integer number (7231432).

Almost surely, 2^55985232 is an apocalyptic number.

It is an amenable number.

55985232 is an abundant number, since it is smaller than the sum of its proper divisors (88643408).

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

55985232 is a wasteful number, since it uses less digits than its factorization.

55985232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166370 (or 1166364 counting only the distinct ones).

The product of its digits is 108000, while the sum is 39.

The square root of 55985232 is about 7482.3279799806. The cubic root of 55985232 is about 382.5526024457.

The spelling of 55985232 in words is "fifty-five million, nine hundred eighty-five thousand, two hundred thirty-two".