52540788865 has 8 divisors (see below), whose sum is σ = 63137877480. Its totient is φ = 41973343872.

The previous prime is 52540788857. The next prime is 52540788871. The reversal of 52540788865 is 56888704525.

It can be written as a sum of positive squares in 4 ways, for example, as 2599266289 + 49941522576 = 50983^2 + 223476^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52540788865 - 2³ = 52540788857 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7407004 + ... + 7414093.

It is an arithmetic number, because the mean of its divisors is an integer number (7892234685).

Almost surely, 2^52540788865 is an apocalyptic number.

It is an amenable number.

52540788865 is a deficient number, since it is larger than the sum of its proper divisors (10597088615).

52540788865 is a wasteful number, since it uses less digits than its factorization.

52540788865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14821811.

The product of its (nonzero) digits is 21504000, while the sum is 58.

The spelling of 52540788865 in words is "fifty-two billion, five hundred forty million, seven hundred eighty-eight thousand, eight hundred sixty-five".