52707365856 has 144 divisors (see below), whose sum is σ = 152623926000. Its totient is φ = 17249040384.

The previous prime is 52707365849. The next prime is 52707365987. The reversal of 52707365856 is 65856370725.

52707365856 is a `hidden beast` number, since 5 + 27 + 0 + 7 + 36 + 585 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×52707365856² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17823130 + ... + 17826086.

It is an arithmetic number, because the mean of its divisors is an integer number (1059888375).

Almost surely, 2^52707365856 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 52707365856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76311963000).

52707365856 is an abundant number, since it is smaller than the sum of its proper divisors (99916560144).

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

52707365856 is a wasteful number, since it uses less digits than its factorization.

52707365856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4081 (or 4070 counting only the distinct ones).

The product of its (nonzero) digits is 10584000, while the sum is 54.

The spelling of 52707365856 in words is "fifty-two billion, seven hundred seven million, three hundred sixty-five thousand, eight hundred fifty-six".