55578976 has 24 divisors (see below), whose sum is σ = 109786320. Its totient is φ = 27696768.

The previous prime is 55578961. The next prime is 55578989. The reversal of 55578976 is 67987555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7405 + ... + 12883.

It is an arithmetic number, because the mean of its divisors is an integer number (4574430).

Almost surely, 2^55578976 is an apocalyptic number.

It is an amenable number.

55578976 is a deficient number, since it is larger than the sum of its proper divisors (54207344).

55578976 is a wasteful number, since it uses less digits than its factorization.

55578976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5806 (or 5798 counting only the distinct ones).

The product of its digits is 2646000, while the sum is 52.

The square root of 55578976 is about 7455.1308506290. The cubic root of 55578976 is about 381.6250260841.

The spelling of 55578976 in words is "fifty-five million, five hundred seventy-eight thousand, nine hundred seventy-six".