56201571552 has 72 divisors (see below), whose sum is σ = 171615527496. Its totient is φ = 16057590528.

The previous prime is 56201571539. The next prime is 56201571563. The reversal of 56201571552 is 25517510265.

It is a self number, because there is not a number n which added to its sum of digits gives 56201571552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5969103 + ... + 5978510.

It is an arithmetic number, because the mean of its divisors is an integer number (2383548993).

Almost surely, 2^56201571552 is an apocalyptic number.

It is an amenable number.

56201571552 is an abundant number, since it is smaller than the sum of its proper divisors (115413955944).

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

56201571552 is a wasteful number, since it uses less digits than its factorization.

56201571552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11947640 (or 11947625 counting only the distinct ones).

The product of its (nonzero) digits is 105000, while the sum is 39.

The spelling of 56201571552 in words is "fifty-six billion, two hundred one million, five hundred seventy-one thousand, five hundred fifty-two".