56721706522294 has 16 divisors (see below), whose sum is σ = 92988904208976. Its totient is φ = 25734936578400.

The previous prime is 56721706522123. The next prime is 56721706522309. The reversal of 56721706522294 is 49222560712765.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2382852597 + ... + 2382876400.

It is an arithmetic number, because the mean of its divisors is an integer number (5811806513061).

Almost surely, 2^{56721706522294} is an apocalyptic number.

56721706522294 is a deficient number, since it is larger than the sum of its proper divisors (36267197686682).

56721706522294 is a wasteful number, since it uses less digits than its factorization.

56721706522294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4765729551.

The product of its (nonzero) digits is 25401600, while the sum is 58.

The spelling of 56721706522294 in words is "fifty-six trillion, seven hundred twenty-one billion, seven hundred six million, five hundred twenty-two thousand, two hundred ninety-four".