56565781274 has 16 divisors (see below), whose sum is σ = 84955495680. Its totient is φ = 28247306640.

The previous prime is 56565781253. The next prime is 56565781289. The reversal of 56565781274 is 47218756565.

56565781274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×56565781274² (a number of 22 digits) contains 22 as substring.

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, 7139087 + ... + 7147005.

It is an arithmetic number, because the mean of its divisors is an integer number (5309718480).

Almost surely, 2^56565781274 is an apocalyptic number.

56565781274 is a deficient number, since it is larger than the sum of its proper divisors (28389714406).

56565781274 is a wasteful number, since it uses less digits than its factorization.

56565781274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11965.

The product of its digits is 14112000, while the sum is 56.

The spelling of 56565781274 in words is "fifty-six billion, five hundred sixty-five million, seven hundred eighty-one thousand, two hundred seventy-four".