56861457051 has 12 divisors (see below), whose sum is σ = 88193280552. Its totient is φ = 32492261088.

The previous prime is 56861457017. The next prime is 56861457067. The reversal of 56861457051 is 15075416865.

It is not a de Polignac number, because 56861457051 - 2¹⁴ = 56861440667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56861457451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193406170 + ... + 193406463.

It is an arithmetic number, because the mean of its divisors is an integer number (7349440046).

Almost surely, 2^56861457051 is an apocalyptic number.

56861457051 is a deficient number, since it is larger than the sum of its proper divisors (31331823501).

56861457051 is a wasteful number, since it uses less digits than its factorization.

56861457051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386812650 (or 386812643 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 48.

The spelling of 56861457051 in words is "fifty-six billion, eight hundred sixty-one million, four hundred fifty-seven thousand, fifty-one".