56012751 has 12 divisors (see below), whose sum is σ = 84425328. Its totient is φ = 35718144.

The previous prime is 56012707. The next prime is 56012791. The reversal of 56012751 is 15721065.

56012751 is a `hidden beast` number, since 5 + 601 + 2 + 7 + 51 = 666.

It is not a de Polignac number, because 56012751 - 2⁷ = 56012623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56012791) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135090 + ... + 135503.

It is an arithmetic number, because the mean of its divisors is an integer number (7035444).

Almost surely, 2^56012751 is an apocalyptic number.

56012751 is a deficient number, since it is larger than the sum of its proper divisors (28412577).

56012751 is a wasteful number, since it uses less digits than its factorization.

56012751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270622 (or 270619 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 56012751 is about 7484.1666870801. The cubic root of 56012751 is about 382.6152721907.

The spelling of 56012751 in words is "fifty-six million, twelve thousand, seven hundred fifty-one".