56012769 has 8 divisors (see below), whose sum is σ = 82981920. Its totient is φ = 37341828.

The previous prime is 56012707. The next prime is 56012791. The reversal of 56012769 is 96721065.

It is not a de Polignac number, because 56012769 - 2¹³ = 56004577 is a prime.

It is a super-2 number, since 2×56012769² = 6274860582094722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56012069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1037247 + ... + 1037300.

It is an arithmetic number, because the mean of its divisors is an integer number (10372740).

Almost surely, 2^56012769 is an apocalyptic number.

It is an amenable number.

56012769 is a deficient number, since it is larger than the sum of its proper divisors (26969151).

56012769 is a wasteful number, since it uses less digits than its factorization.

56012769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2074556 (or 2074550 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 56012769 is about 7484.1678896187. The cubic root of 56012769 is about 382.6153131759.

The spelling of 56012769 in words is "fifty-six million, twelve thousand, seven hundred sixty-nine".