55956879 has 16 divisors (see below), whose sum is σ = 90435840. Its totient is φ = 33913080.

The previous prime is 55956871. The next prime is 55956917. The reversal of 55956879 is 97865955.

It is a happy number.

55956879 is a `hidden beast` number, since 5 + 5 + 9 + 568 + 79 = 666.

It is not a de Polignac number, because 55956879 - 2³ = 55956871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55956871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93907 + ... + 94500.

It is an arithmetic number, because the mean of its divisors is an integer number (5652240).

Almost surely, 2^55956879 is an apocalyptic number.

55956879 is a deficient number, since it is larger than the sum of its proper divisors (34478961).

55956879 is a wasteful number, since it uses less digits than its factorization.

55956879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188427 (or 188421 counting only the distinct ones).

The product of its digits is 3402000, while the sum is 54.

The square root of 55956879 is about 7480.4330756982. The cubic root of 55956879 is about 382.4880119272.

The spelling of 55956879 in words is "fifty-five million, nine hundred fifty-six thousand, eight hundred seventy-nine".