56125622631 has 16 divisors (see below), whose sum is σ = 80631307904. Its totient is φ = 34521414624.

The previous prime is 56125622627. The next prime is 56125622633. The reversal of 56125622631 is 13622652165.

It is not a de Polignac number, because 56125622631 - 2² = 56125622627 is a prime.

It is a super-2 number, since 2×56125622631² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56125622631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56125622633) 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, 284641 + ... + 439626.

It is an arithmetic number, because the mean of its divisors is an integer number (5039456744).

Almost surely, 2^56125622631 is an apocalyptic number.

56125622631 is a deficient number, since it is larger than the sum of its proper divisors (24505685273).

56125622631 is a wasteful number, since it uses less digits than its factorization.

56125622631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726270.

The product of its digits is 129600, while the sum is 39.

The spelling of 56125622631 in words is "fifty-six billion, one hundred twenty-five million, six hundred twenty-two thousand, six hundred thirty-one".