55876320 has 72 divisors (see below), whose sum is σ = 190682856. Its totient is φ = 14899968.

The previous prime is 55876319. The next prime is 55876339. The reversal of 55876320 is 2367855.

55876320 is a `hidden beast` number, since 558 + 76 + 32 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17962 + ... + 20841.

It is an arithmetic number, because the mean of its divisors is an integer number (2648373).

Almost surely, 2^55876320 is an apocalyptic number.

It is an amenable number.

55876320 is an abundant number, since it is smaller than the sum of its proper divisors (134806536).

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

55876320 is a wasteful number, since it uses less digits than its factorization.

55876320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38824 (or 38813 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 55876320 is about 7475.0464881498. The cubic root of 55876320 is about 382.3043726033.

The spelling of 55876320 in words is "fifty-five million, eight hundred seventy-six thousand, three hundred twenty".