52457879280 has 160 divisors (see below), whose sum is σ = 169807417344. Its totient is φ = 13371291648.

The previous prime is 52457879269. The next prime is 52457879347. The reversal of 52457879280 is 8297875425.

It is a self number, because there is not a number n which added to its sum of digits gives 52457879280.

It is a congruent number.

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, 11794017 + ... + 11798463.

Almost surely, 2^52457879280 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 52457879280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84903708672).

52457879280 is an abundant number, since it is smaller than the sum of its proper divisors (117349538064).

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

52457879280 is a wasteful number, since it uses less digits than its factorization.

52457879280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6623 (or 6617 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 57.

The spelling of 52457879280 in words is "fifty-two billion, four hundred fifty-seven million, eight hundred seventy-nine thousand, two hundred eighty".