56000561050551 has 32 divisors (see below), whose sum is σ = 84707396928000. Its totient is φ = 32623347639168.

The previous prime is 56000561050519. The next prime is 56000561050571. The reversal of 56000561050551 is 15505016500065.

It is not a de Polignac number, because 56000561050551 - 2⁵ = 56000561050519 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56000561050501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27670956 + ... + 29625713.

It is an arithmetic number, because the mean of its divisors is an integer number (2647106154000).

Almost surely, 2^{56000561050551} is an apocalyptic number.

56000561050551 is a deficient number, since it is larger than the sum of its proper divisors (28706835877449).

56000561050551 is a wasteful number, since it uses less digits than its factorization.

56000561050551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57298023.

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 56000561050551 in words is "fifty-six trillion, five hundred sixty-one million, fifty thousand, five hundred fifty-one".