56166994 has 16 divisors (see below), whose sum is σ = 90863640. Its totient is φ = 25885440.

The previous prime is 56166959. The next prime is 56167019. The reversal of 56166994 is 49966165.

It can be written as a sum of positive squares in 4 ways, for example, as 47541025 + 8625969 = 6895^2 + 2937^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25164 + ... + 27304.

Almost surely, 2^56166994 is an apocalyptic number.

56166994 is a deficient number, since it is larger than the sum of its proper divisors (34696646).

56166994 is a wasteful number, since it uses less digits than its factorization.

56166994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3165.

The product of its digits is 349920, while the sum is 46.

The square root of 56166994 is about 7494.4642236787. The cubic root of 56166994 is about 382.9661544352.

The spelling of 56166994 in words is "fifty-six million, one hundred sixty-six thousand, nine hundred ninety-four".