56495569 has 16 divisors (see below), whose sum is σ = 64583680. Its totient is φ = 48988800.

The previous prime is 56495557. The next prime is 56495587. The reversal of 56495569 is 96559465.

It is a cyclic number.

It is not a de Polignac number, because 56495569 - 2¹⁹ = 55971281 is a prime.

It is a super-2 number, since 2×56495569² = 6383498633267522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56495519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30469 + ... + 32269.

It is an arithmetic number, because the mean of its divisors is an integer number (4036480).

Almost surely, 2^56495569 is an apocalyptic number.

It is an amenable number.

56495569 is a deficient number, since it is larger than the sum of its proper divisors (8088111).

56495569 is a wasteful number, since it uses less digits than its factorization.

56495569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960.

The product of its digits is 1458000, while the sum is 49.

The square root of 56495569 is about 7516.3534376718. The cubic root of 56495569 is about 383.7114825866.

The spelling of 56495569 in words is "fifty-six million, four hundred ninety-five thousand, five hundred sixty-nine".