56560651631 has 8 divisors (see below), whose sum is σ = 62547770064. Its totient is φ = 50714406720.

The previous prime is 56560651627. The next prime is 56560651643. The reversal of 56560651631 is 13615606565.

It is a happy number.

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 56560651631 - 2² = 56560651627 is a prime.

It is a super-2 number, since 2×56560651631² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56560651621) 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, 35217536 + ... + 35219141.

It is an arithmetic number, because the mean of its divisors is an integer number (7818471258).

Almost surely, 2^56560651631 is an apocalyptic number.

56560651631 is a deficient number, since it is larger than the sum of its proper divisors (5987118433).

56560651631 is a wasteful number, since it uses less digits than its factorization.

56560651631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70436761.

The product of its (nonzero) digits is 486000, while the sum is 44.

The spelling of 56560651631 in words is "fifty-six billion, five hundred sixty million, six hundred fifty-one thousand, six hundred thirty-one".