56966986 has 4 divisors (see below), whose sum is σ = 85450482. Its totient is φ = 28483492.

The previous prime is 56966977. The next prime is 56967007. The reversal of 56966986 is 68966965.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 49266361 + 7700625 = 7019^2 + 2775^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14241745 + ... + 14241748.

Almost surely, 2^56966986 is an apocalyptic number.

56966986 is a deficient number, since it is larger than the sum of its proper divisors (28483496).

56966986 is a wasteful number, since it uses less digits than its factorization.

56966986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28483495.

The product of its digits is 4199040, while the sum is 55.

The square root of 56966986 is about 7547.6477130295. The cubic root of 56966986 is about 384.7757979499.

The spelling of 56966986 in words is "fifty-six million, nine hundred sixty-six thousand, nine hundred eighty-six".