56225657 has 2 divisors, whose sum is σ = 56225658. Its totient is φ = 56225656.

The previous prime is 56225651. The next prime is 56225669. The reversal of 56225657 is 75652265.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51998521 + 4227136 = 7211^2 + 2056^2 .

It is a cyclic number.

It is not a de Polignac number, because 56225657 - 2⁸ = 56225401 is a prime.

It is a super-2 number, since 2×56225657² = 6322649010163298, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56225657.

It is not a weakly prime, because it can be changed into another prime (56225651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28112828 + 28112829.

It is an arithmetic number, because the mean of its divisors is an integer number (28112829).

Almost surely, 2^56225657 is an apocalyptic number.

It is an amenable number.

56225657 is a deficient number, since it is larger than the sum of its proper divisors (1).

56225657 is an equidigital number, since it uses as much as digits as its factorization.

56225657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 126000, while the sum is 38.

The square root of 56225657 is about 7498.3769577156. The cubic root of 56225657 is about 383.0994363090.

The spelling of 56225657 in words is "fifty-six million, two hundred twenty-five thousand, six hundred fifty-seven".