55979670 has 32 divisors (see below), whose sum is σ = 135743328. Its totient is φ = 14773248.

The previous prime is 55979647. The next prime is 55979683. The reversal of 55979670 is 7697955.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6709 + ... + 12528.

It is an arithmetic number, because the mean of its divisors is an integer number (4241979).

Almost surely, 2^55979670 is an apocalyptic number.

55979670 is an abundant number, since it is smaller than the sum of its proper divisors (79763658).

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

55979670 is a wasteful number, since it uses less digits than its factorization.

55979670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19344.

The product of its (nonzero) digits is 595350, while the sum is 48.

The square root of 55979670 is about 7481.9562949806. The cubic root of 55979670 is about 382.5399334616.

The spelling of 55979670 in words is "fifty-five million, nine hundred seventy-nine thousand, six hundred seventy".