52210722220656 has 40 divisors (see below), whose sum is σ = 136502731599360. Its totient is φ = 17193892456896.

The previous prime is 52210722220649. The next prime is 52210722220661. The reversal of 52210722220656 is 65602222701225.

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, 6552546496 + ... + 6552554463.

It is an arithmetic number, because the mean of its divisors is an integer number (3412568289984).

Almost surely, 2^{52210722220656} is an apocalyptic number.

It is an amenable number.

52210722220656 is an abundant number, since it is smaller than the sum of its proper divisors (84292009378704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52210722220656 is a wasteful number, since it uses less digits than its factorization.

52210722220656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13105101053 (or 13105101047 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 52210722220656 in words is "fifty-two trillion, two hundred ten billion, seven hundred twenty-two million, two hundred twenty thousand, six hundred fifty-six".