55979232 has 48 divisors (see below), whose sum is σ = 155593872. Its totient is φ = 17561600.

The previous prime is 55979219. The next prime is 55979243. The reversal of 55979232 is 23297955.

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, 15519 + ... + 18782.

It is an arithmetic number, because the mean of its divisors is an integer number (3241539).

Almost surely, 2^55979232 is an apocalyptic number.

It is an amenable number.

55979232 is an abundant number, since it is smaller than the sum of its proper divisors (99614640).

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

55979232 is a wasteful number, since it uses less digits than its factorization.

55979232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34331 (or 34323 counting only the distinct ones).

The product of its digits is 170100, while the sum is 42.

The square root of 55979232 is about 7481.9270245038. The cubic root of 55979232 is about 382.5389357605.

The spelling of 55979232 in words is "fifty-five million, nine hundred seventy-nine thousand, two hundred thirty-two".