56521724170761 has 24 divisors (see below), whose sum is σ = 82191679215360. Its totient is φ = 37427729400000.

The previous prime is 56521724170721. The next prime is 56521724170837. The reversal of 56521724170761 is 16707142712565.

56521724170761 is a `hidden beast` number, since 5 + 6 + 5 + 217 + 2 + 417 + 0 + 7 + 6 + 1 = 666.

It is not a de Polignac number, because 56521724170761 - 2¹⁴ = 56521724154377 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56521724170698 and 56521724170707.

It is not an unprimeable number, because it can be changed into a prime (56521724170721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11005261 + ... + 15302261.

It is an arithmetic number, because the mean of its divisors is an integer number (3424653300640).

Almost surely, 2^{56521724170761} is an apocalyptic number.

It is an amenable number.

56521724170761 is a deficient number, since it is larger than the sum of its proper divisors (25669955044599).

56521724170761 is a wasteful number, since it uses less digits than its factorization.

56521724170761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4306837 (or 4306834 counting only the distinct ones).

The product of its (nonzero) digits is 4939200, while the sum is 54.

The spelling of 56521724170761 in words is "fifty-six trillion, five hundred twenty-one billion, seven hundred twenty-four million, one hundred seventy thousand, seven hundred sixty-one".