56560691 has 8 divisors (see below), whose sum is σ = 62175168. Its totient is φ = 51025000.

The previous prime is 56560661. The next prime is 56560723. The reversal of 56560691 is 19606565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56560691 - 2⁶ = 56560627 is a prime.

It is a super-2 number, since 2×56560691² = 6398223532794962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56560631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18185 + ... + 21066.

It is an arithmetic number, because the mean of its divisors is an integer number (7771896).

Almost surely, 2^56560691 is an apocalyptic number.

56560691 is a deficient number, since it is larger than the sum of its proper divisors (5614477).

56560691 is a wasteful number, since it uses less digits than its factorization.

56560691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39393.

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 56560691 is about 7520.6842108946. The cubic root of 56560691 is about 383.8588597148.

The spelling of 56560691 in words is "fifty-six million, five hundred sixty thousand, six hundred ninety-one".