56521702531293 has 16 divisors (see below), whose sum is σ = 77961171918720. Its totient is φ = 36381690846144.

The previous prime is 56521702531271. The next prime is 56521702531303. The reversal of 56521702531293 is 39213520712565.

56521702531293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56521702531293 - 2³³ = 56513112596701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56521702531213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50802555 + ... + 51903207.

It is an arithmetic number, because the mean of its divisors is an integer number (4872573244920).

Almost surely, 2^{56521702531293} is an apocalyptic number.

It is an amenable number.

56521702531293 is a deficient number, since it is larger than the sum of its proper divisors (21439469387427).

56521702531293 is a wasteful number, since it uses less digits than its factorization.

56521702531293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690948.

The product of its (nonzero) digits is 3402000, while the sum is 51.

The spelling of 56521702531293 in words is "fifty-six trillion, five hundred twenty-one billion, seven hundred two million, five hundred thirty-one thousand, two hundred ninety-three".