56757207648 has 24 divisors (see below), whose sum is σ = 148987670328. Its totient is φ = 18919069184.

The previous prime is 56757207629. The next prime is 56757207659. The reversal of 56757207648 is 84670275765.

56757207648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295610361 + ... + 295610552.

It is an arithmetic number, because the mean of its divisors is an integer number (6207819597).

Almost surely, 2^56757207648 is an apocalyptic number.

It is an amenable number.

56757207648 is an abundant number, since it is smaller than the sum of its proper divisors (92230462680).

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

56757207648 is a wasteful number, since it uses less digits than its factorization.

56757207648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591220926 (or 591220918 counting only the distinct ones).

The product of its (nonzero) digits is 19756800, while the sum is 57.

The spelling of 56757207648 in words is "fifty-six billion, seven hundred fifty-seven million, two hundred seven thousand, six hundred forty-eight".