56861552460 has 24 divisors (see below), whose sum is σ = 159212347056. Its totient is φ = 15163080640.

The previous prime is 56861552459. The next prime is 56861552477. The reversal of 56861552460 is 6425516865.

It is a super-2 number, since 2×56861552460² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473846211 + ... + 473846330.

It is an arithmetic number, because the mean of its divisors is an integer number (6633847794).

Almost surely, 2^56861552460 is an apocalyptic number.

It is an amenable number.

56861552460 is an abundant number, since it is smaller than the sum of its proper divisors (102350794596).

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

56861552460 is a wasteful number, since it uses less digits than its factorization.

56861552460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947692553 (or 947692551 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 48.

The spelling of 56861552460 in words is "fifty-six billion, eight hundred sixty-one million, five hundred fifty-two thousand, four hundred sixty".