52311913393920 has 576 divisors, whose sum is σ = 182905001664000. Its totient is φ = 12696642846720.

The previous prime is 52311913393897. The next prime is 52311913393931. The reversal of 52311913393920 is 2939331911325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 191237406 + ... + 191510754.

Almost surely, 2^{52311913393920} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52311913393920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91452500832000).

52311913393920 is an abundant number, since it is smaller than the sum of its proper divisors (130593088270080).

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

52311913393920 is a wasteful number, since it uses less digits than its factorization.

52311913393920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273496 (or 273482 counting only the distinct ones).

The product of its (nonzero) digits is 1180980, while the sum is 51.

The spelling of 52311913393920 in words is "fifty-two trillion, three hundred eleven billion, nine hundred thirteen million, three hundred ninety-three thousand, nine hundred twenty".