55088832 has 56 divisors (see below), whose sum is σ = 146304000. Its totient is φ = 18294016.

The previous prime is 55088821. The next prime is 55088849. The reversal of 55088832 is 23888055.

It is a super-2 number, since 2×55088832² = 6069558822248448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91669 + ... + 92267.

Almost surely, 2^55088832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55088832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73152000).

55088832 is an abundant number, since it is smaller than the sum of its proper divisors (91215168).

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

55088832 is a wasteful number, since it uses less digits than its factorization.

55088832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093 (or 1083 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 55088832 is about 7422.1851229944. The cubic root of 55088832 is about 380.4998776882.

The spelling of 55088832 in words is "fifty-five million, eighty-eight thousand, eight hundred thirty-two".