56560231 has 8 divisors (see below), whose sum is σ = 69612704. Its totient is φ = 44750880.

The previous prime is 56560219. The next prime is 56560249. The reversal of 56560231 is 13206565.

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 56560231 - 2⁷ = 56560103 is a prime.

It is a super-2 number, since 2×56560231² = 6398119461546722, 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 56560231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56560271) 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, 310680 + ... + 310861.

It is an arithmetic number, because the mean of its divisors is an integer number (8701588).

Almost surely, 2^56560231 is an apocalyptic number.

56560231 is a deficient number, since it is larger than the sum of its proper divisors (13052473).

56560231 is a wasteful number, since it uses less digits than its factorization.

56560231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621561.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 56560231 is about 7520.6536285086. The cubic root of 56560231 is about 383.8578190889.

Adding to 56560231 its reverse (13206565), we get a palindrome (69766796).

The spelling of 56560231 in words is "fifty-six million, five hundred sixty thousand, two hundred thirty-one".