56751015 has 16 divisors (see below), whose sum is σ = 96143328. Its totient is φ = 28486656.

The previous prime is 56750989. The next prime is 56751031. The reversal of 56751015 is 51015765.

It is not a de Polignac number, because 56751015 - 2⁵ = 56750983 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111022 + ... + 111531.

It is an arithmetic number, because the mean of its divisors is an integer number (6008958).

Almost surely, 2^56751015 is an apocalyptic number.

56751015 is a deficient number, since it is larger than the sum of its proper divisors (39392313).

56751015 is a wasteful number, since it uses less digits than its factorization.

56751015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222578.

The product of its (nonzero) digits is 5250, while the sum is 30.

The square root of 56751015 is about 7533.3269542746. The cubic root of 56751015 is about 384.2889332053.

The spelling of 56751015 in words is "fifty-six million, seven hundred fifty-one thousand, fifteen".