56471211720 has 256 divisors, whose sum is σ = 234685900800. Its totient is φ = 11734260480.

The previous prime is 56471211701. The next prime is 56471211737. The reversal of 56471211720 is 2711217465.

56471211720 is a `hidden beast` number, since 5 + 647 + 1 + 2 + 1 + 1 + 7 + 2 + 0 = 666.

56471211720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 256374 + ... + 422693.

It is an arithmetic number, because the mean of its divisors is an integer number (916741800).

Almost surely, 2^56471211720 is an apocalyptic number.

It is an amenable number.

56471211720 is an abundant number, since it is smaller than the sum of its proper divisors (178214689080).

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

56471211720 is a wasteful number, since it uses less digits than its factorization.

56471211720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679105 (or 679095 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The spelling of 56471211720 in words is "fifty-six billion, four hundred seventy-one million, two hundred eleven thousand, seven hundred twenty".