52353656520 has 128 divisors (see below), whose sum is σ = 174572288640. Its totient is φ = 12452311040.

The previous prime is 52353656513. The next prime is 52353656557. The reversal of 52353656520 is 2565635325.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 304209 + ... + 444128.

It is an arithmetic number, because the mean of its divisors is an integer number (1363846005).

Almost surely, 2^52353656520 is an apocalyptic number.

It is an amenable number.

52353656520 is an abundant number, since it is smaller than the sum of its proper divisors (122218632120).

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

52353656520 is a wasteful number, since it uses less digits than its factorization.

52353656520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748415 (or 748411 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 42.

The spelling of 52353656520 in words is "fifty-two billion, three hundred fifty-three million, six hundred fifty-six thousand, five hundred twenty".