56751086 has 32 divisors (see below), whose sum is σ = 101615040. Its totient is φ = 23256576.

The previous prime is 56751073. The next prime is 56751089. The reversal of 56751086 is 68015765.

It is a happy number.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56751089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45260 + ... + 46496.

It is an arithmetic number, because the mean of its divisors is an integer number (3175470).

Almost surely, 2^56751086 is an apocalyptic number.

56751086 is a deficient number, since it is larger than the sum of its proper divisors (44863954).

56751086 is a wasteful number, since it uses less digits than its factorization.

56751086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 56751086 is about 7533.3316666665. The cubic root of 56751086 is about 384.2890934638.

The spelling of 56751086 in words is "fifty-six million, seven hundred fifty-one thousand, eighty-six".