56351346064 has 40 divisors (see below), whose sum is σ = 118791450680. Its totient is φ = 25740177408.

The previous prime is 56351346059. The next prime is 56351346091. The reversal of 56351346064 is 46064315365.

56351346064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2244864400 + 54106481664 = 47380^2 + 232608^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 56351346064.

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, 1376319 + ... + 1416670.

It is an arithmetic number, because the mean of its divisors is an integer number (2969786267).

Almost surely, 2^56351346064 is an apocalyptic number.

It is an amenable number.

56351346064 is an abundant number, since it is smaller than the sum of its proper divisors (62440104616).

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

56351346064 is a wasteful number, since it uses less digits than its factorization.

56351346064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2793107 (or 2793101 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 56351346064 in words is "fifty-six billion, three hundred fifty-one million, three hundred forty-six thousand, sixty-four".