56310057 has 6 divisors (see below), whose sum is σ = 81336762. Its totient is φ = 37540032.

The previous prime is 56310031. The next prime is 56310061. The reversal of 56310057 is 75001365.

It can be written as a sum of positive squares in only one way, i.e., 54819216 + 1490841 = 7404^2 + 1221^2 .

It is not a de Polignac number, because 56310057 - 2⁶ = 56309993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56310057.

It is not an unprimeable number, because it can be changed into a prime (56310017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3128328 + ... + 3128345.

It is an arithmetic number, because the mean of its divisors is an integer number (13556127).

Almost surely, 2^56310057 is an apocalyptic number.

It is an amenable number.

56310057 is a deficient number, since it is larger than the sum of its proper divisors (25026705).

56310057 is a wasteful number, since it uses less digits than its factorization.

56310057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6256679 (or 6256676 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 56310057 is about 7504.0027318758. The cubic root of 56310057 is about 383.2910299043.

The spelling of 56310057 in words is "fifty-six million, three hundred ten thousand, fifty-seven".