52657615087 has 16 divisors (see below), whose sum is σ = 65656403712. Its totient is φ = 41028563520.

The previous prime is 52657615019. The next prime is 52657615103. The reversal of 52657615087 is 78051675625.

52657615087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-52657615087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52657615007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1385188 + ... + 1422694.

It is an arithmetic number, because the mean of its divisors is an integer number (4103525232).

Almost surely, 2^52657615087 is an apocalyptic number.

52657615087 is a deficient number, since it is larger than the sum of its proper divisors (12998788625).

52657615087 is a wasteful number, since it uses less digits than its factorization.

52657615087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55758.

The product of its (nonzero) digits is 3528000, while the sum is 52.

The spelling of 52657615087 in words is "fifty-two billion, six hundred fifty-seven million, six hundred fifteen thousand, eighty-seven".