56604334730520 has 32 divisors (see below), whose sum is σ = 169813004191920. Its totient is φ = 15094489261440.

The previous prime is 56604334730477. The next prime is 56604334730521. The reversal of 56604334730520 is 2503743340665.

It is a self number, because there is not a number n which added to its sum of digits gives 56604334730520.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56604334730521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235851394591 + ... + 235851394830.

Almost surely, 2^{56604334730520} is an apocalyptic number.

It is an amenable number.

56604334730520 is an abundant number, since it is smaller than the sum of its proper divisors (113208669461400).

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

56604334730520 is a wasteful number, since it uses less digits than its factorization.

56604334730520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471702789435 (or 471702789431 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 48.

The spelling of 56604334730520 in words is "fifty-six trillion, six hundred four billion, three hundred thirty-four million, seven hundred thirty thousand, five hundred twenty".