52057465560 has 160 divisors (see below), whose sum is σ = 175312447200. Its totient is φ = 13854896640.

The previous prime is 52057465531. The next prime is 52057465601. The reversal of 52057465560 is 6556475025.

52057465560 is a `hidden beast` number, since 5 + 2 + 0 + 57 + 46 + 556 + 0 = 666.

It is a super-2 number, since 2×52057465560² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1672621 + ... + 1703459.

It is an arithmetic number, because the mean of its divisors is an integer number (1095702795).

Almost surely, 2^52057465560 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 52057465560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87656223600).

52057465560 is an abundant number, since it is smaller than the sum of its proper divisors (123254981640).

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

52057465560 is a wasteful number, since it uses less digits than its factorization.

52057465560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31383 (or 31370 counting only the distinct ones).

The product of its (nonzero) digits is 1260000, while the sum is 45.

The spelling of 52057465560 in words is "fifty-two billion, fifty-seven million, four hundred sixty-five thousand, five hundred sixty".