56927569 has 2 divisors, whose sum is σ = 56927570. Its totient is φ = 56927568.

The previous prime is 56927537. The next prime is 56927593. The reversal of 56927569 is 96572965.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53363025 + 3564544 = 7305^2 + 1888^2 .

It is a cyclic number.

It is not a de Polignac number, because 56927569 - 2⁵ = 56927537 is a prime.

It is a super-2 number, since 2×56927569² = 6481496224499522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56927869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28463784 + 28463785.

It is an arithmetic number, because the mean of its divisors is an integer number (28463785).

Almost surely, 2^56927569 is an apocalyptic number.

It is an amenable number.

56927569 is a deficient number, since it is larger than the sum of its proper divisors (1).

56927569 is an equidigital number, since it uses as much as digits as its factorization.

56927569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1020600, while the sum is 49.

The square root of 56927569 is about 7545.0360502784. The cubic root of 56927569 is about 384.6870318761.

The spelling of 56927569 in words is "fifty-six million, nine hundred twenty-seven thousand, five hundred sixty-nine".