56112985 has 32 divisors (see below), whose sum is σ = 75352320. Its totient is φ = 39916800.

The previous prime is 56112977. The next prime is 56112997. The reversal of 56112985 is 58921165.

It is not a de Polignac number, because 56112985 - 2³ = 56112977 is a prime.

It is a super-2 number, since 2×56112985² = 6297334171220450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133075 + ... + 133495.

It is an arithmetic number, because the mean of its divisors is an integer number (2354760).

Almost surely, 2^56112985 is an apocalyptic number.

It is an amenable number.

56112985 is a deficient number, since it is larger than the sum of its proper divisors (19239335).

56112985 is a wasteful number, since it uses less digits than its factorization.

56112985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529.

The product of its digits is 21600, while the sum is 37.

The square root of 56112985 is about 7490.8600974788. The cubic root of 56112985 is about 382.8433643364.

The spelling of 56112985 in words is "fifty-six million, one hundred twelve thousand, nine hundred eighty-five".