52645278525 has 48 divisors (see below), whose sum is σ = 99509059584. Its totient is φ = 24058054080.

The previous prime is 52645278509. The next prime is 52645278551. The reversal of 52645278525 is 52587254625.

It is not a de Polignac number, because 52645278525 - 2⁴ = 52645278509 is a prime.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1646844 + ... + 1678506.

It is an arithmetic number, because the mean of its divisors is an integer number (2073105408).

Almost surely, 2^52645278525 is an apocalyptic number.

It is an amenable number.

52645278525 is a deficient number, since it is larger than the sum of its proper divisors (46863781059).

52645278525 is a wasteful number, since it uses less digits than its factorization.

52645278525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34850 (or 34845 counting only the distinct ones).

The product of its digits is 6720000, while the sum is 51.

The spelling of 52645278525 in words is "fifty-two billion, six hundred forty-five million, two hundred seventy-eight thousand, five hundred twenty-five".