56312657 has 2 divisors, whose sum is σ = 56312658. Its totient is φ = 56312656.

The previous prime is 56312621. The next prime is 56312719. The reversal of 56312657 is 75621365.

56312657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45711121 + 10601536 = 6761^2 + 3256^2 .

It is a cyclic number.

It is not a de Polignac number, because 56312657 - 2⁶ = 56312593 is a prime.

It is a super-2 number, since 2×56312657² = 6342230676799298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56312357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28156328 + 28156329.

It is an arithmetic number, because the mean of its divisors is an integer number (28156329).

Almost surely, 2^56312657 is an apocalyptic number.

It is an amenable number.

56312657 is a deficient number, since it is larger than the sum of its proper divisors (1).

56312657 is an equidigital number, since it uses as much as digits as its factorization.

56312657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 35.

The square root of 56312657 is about 7504.1759707512. The cubic root of 56312657 is about 383.2969290360.

The spelling of 56312657 in words is "fifty-six million, three hundred twelve thousand, six hundred fifty-seven".