52657947895 has 16 divisors (see below), whose sum is σ = 72220861440. Its totient is φ = 36106183584.

The previous prime is 52657947893. The next prime is 52657947919. The reversal of 52657947895 is 59874975625.

It is a cyclic number.

It is not a de Polignac number, because 52657947895 - 2¹ = 52657947893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52657947895.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52657947893) 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, 770946 + ... + 836464.

It is an arithmetic number, because the mean of its divisors is an integer number (4513803840).

Almost surely, 2^52657947895 is an apocalyptic number.

52657947895 is a deficient number, since it is larger than the sum of its proper divisors (19562913545).

52657947895 is a wasteful number, since it uses less digits than its factorization.

52657947895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88494.

The product of its digits is 190512000, while the sum is 67.

The spelling of 52657947895 in words is "fifty-two billion, six hundred fifty-seven million, nine hundred forty-seven thousand, eight hundred ninety-five".