56521702531463 has 16 divisors (see below), whose sum is σ = 61184387980800. Its totient is φ = 51904074413664.

The previous prime is 56521702531453. The next prime is 56521702531477. The reversal of 56521702531463 is 36413520712565.

It is a cyclic number.

It is not a de Polignac number, because 56521702531463 - 2²⁸ = 56521434096007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56521702531453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16050020 + ... + 19252182.

It is an arithmetic number, because the mean of its divisors is an integer number (3824024248800).

Almost surely, 2^{56521702531463} is an apocalyptic number.

56521702531463 is a deficient number, since it is larger than the sum of its proper divisors (4662685449337).

56521702531463 is a wasteful number, since it uses less digits than its factorization.

56521702531463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3209198.

The product of its (nonzero) digits is 4536000, while the sum is 50.

The spelling of 56521702531463 in words is "fifty-six trillion, five hundred twenty-one billion, seven hundred two million, five hundred thirty-one thousand, four hundred sixty-three".