56370569 has 2 divisors, whose sum is σ = 56370570. Its totient is φ = 56370568.

The previous prime is 56370557. The next prime is 56370581. The reversal of 56370569 is 96507365.

It is a balanced prime because it is at equal distance from previous prime (56370557) and next prime (56370581).

It can be written as a sum of positive squares in only one way, i.e., 28944400 + 27426169 = 5380^2 + 5237^2 .

It is a cyclic number.

It is not a de Polignac number, because 56370569 - 2¹² = 56366473 is a prime.

It is a super-2 number, since 2×56370569² = 6355282098767522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56370599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28185284 + 28185285.

It is an arithmetic number, because the mean of its divisors is an integer number (28185285).

Almost surely, 2^56370569 is an apocalyptic number.

It is an amenable number.

56370569 is a deficient number, since it is larger than the sum of its proper divisors (1).

56370569 is an equidigital number, since it uses as much as digits as its factorization.

56370569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 170100, while the sum is 41.

The square root of 56370569 is about 7508.0336307185. The cubic root of 56370569 is about 383.4282783512.

The spelling of 56370569 in words is "fifty-six million, three hundred seventy thousand, five hundred sixty-nine".