55877232 has 40 divisors (see below), whose sum is σ = 152842896. Its totient is φ = 17529856.

The previous prime is 55877207. The next prime is 55877251. The reversal of 55877232 is 23277855.

55877232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33423 + ... + 35054.

Almost surely, 2^55877232 is an apocalyptic number.

It is an amenable number.

55877232 is an abundant number, since it is smaller than the sum of its proper divisors (96965664).

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

55877232 is a wasteful number, since it uses less digits than its factorization.

55877232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68505 (or 68499 counting only the distinct ones).

The product of its digits is 117600, while the sum is 39.

The square root of 55877232 is about 7475.1074908659. The cubic root of 55877232 is about 382.3064525523.

The spelling of 55877232 in words is "fifty-five million, eight hundred seventy-seven thousand, two hundred thirty-two".