56561001060 has 48 divisors (see below), whose sum is σ = 158504423616. Its totient is φ = 15070207872.

The previous prime is 56561001017. The next prime is 56561001061. The reversal of 56561001060 is 6010016565.

It is a super-2 number, since 2×56561001060² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (56561001061) 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, 325867 + ... + 468306.

It is an arithmetic number, because the mean of its divisors is an integer number (3302175492).

Almost surely, 2^56561001060 is an apocalyptic number.

It is an amenable number.

56561001060 is an abundant number, since it is smaller than the sum of its proper divisors (101943422556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56561001060 is a wasteful number, since it uses less digits than its factorization.

56561001060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795372 (or 795370 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The spelling of 56561001060 in words is "fifty-six billion, five hundred sixty-one million, one thousand, sixty".