56512706 has 16 divisors (see below), whose sum is σ = 89562240. Its totient is φ = 26700240.

The previous prime is 56512693. The next prime is 56512711. The reversal of 56512706 is 60721565.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7640 + ... + 13091.

It is an arithmetic number, because the mean of its divisors is an integer number (5597640).

Almost surely, 2^56512706 is an apocalyptic number.

56512706 is a deficient number, since it is larger than the sum of its proper divisors (33049534).

56512706 is a wasteful number, since it uses less digits than its factorization.

56512706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20809.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 56512706 is about 7517.4933322219. The cubic root of 56512706 is about 383.7502761831.

The spelling of 56512706 in words is "fifty-six million, five hundred twelve thousand, seven hundred six".