55628832 has 48 divisors (see below), whose sum is σ = 166888512. Its totient is φ = 15893760.

The previous prime is 55628819. The next prime is 55628843. The reversal of 55628832 is 23882655.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

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, 40719 + ... + 42062.

It is an arithmetic number, because the mean of its divisors is an integer number (3476844).

Almost surely, 2^55628832 is an apocalyptic number.

It is an amenable number.

55628832 is an abundant number, since it is smaller than the sum of its proper divisors (111259680).

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

55628832 is a wasteful number, since it uses less digits than its factorization.

55628832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82801 (or 82793 counting only the distinct ones).

The product of its digits is 115200, while the sum is 39.

The square root of 55628832 is about 7458.4738385276. The cubic root of 55628832 is about 381.7391016600.

The spelling of 55628832 in words is "fifty-five million, six hundred twenty-eight thousand, eight hundred thirty-two".