56747047660 has 24 divisors (see below), whose sum is σ = 119222023536. Its totient is φ = 22688681280.

The previous prime is 56747047633. The next prime is 56747047717. The reversal of 56747047660 is 6674074765.

It is a super-2 number, since 2×56747047660² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56747047598 and 56747047607.

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, 587631 + ... + 677350.

It is an arithmetic number, because the mean of its divisors is an integer number (4967584314).

Almost surely, 2^56747047660 is an apocalyptic number.

It is an amenable number.

56747047660 is an abundant number, since it is smaller than the sum of its proper divisors (62474975876).

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

56747047660 is a wasteful number, since it uses less digits than its factorization.

56747047660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267233 (or 1267231 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 52.

The spelling of 56747047660 in words is "fifty-six billion, seven hundred forty-seven million, forty-seven thousand, six hundred sixty".