56166536 has 16 divisors (see below), whose sum is σ = 105615900. Its totient is φ = 28002304.

The previous prime is 56166499. The next prime is 56166541. The reversal of 56166536 is 63566165.

It can be written as a sum of positive squares in 2 ways, for example, as 53377636 + 2788900 = 7306^2 + 1670^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 56166536.

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, 7121 + ... + 12768.

Almost surely, 2^56166536 is an apocalyptic number.

It is an amenable number.

56166536 is a deficient number, since it is larger than the sum of its proper divisors (49449364).

56166536 is a wasteful number, since it uses less digits than its factorization.

56166536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20248 (or 20244 counting only the distinct ones).

The product of its digits is 97200, while the sum is 38.

The square root of 56166536 is about 7494.4336677297. The cubic root of 56166536 is about 382.9651134978.

The spelling of 56166536 in words is "fifty-six million, one hundred sixty-six thousand, five hundred thirty-six".