53279724625 has 16 divisors (see below), whose sum is σ = 66684773376. Its totient is φ = 42500910000.

The previous prime is 53279724623. The next prime is 53279724629. The reversal of 53279724625 is 52642797235.

It is a happy number.

It is not a de Polignac number, because 53279724625 - 2¹ = 53279724623 is a prime.

It is a super-2 number, since 2×53279724625² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53279724623) 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, 570801 + ... + 657550.

It is an arithmetic number, because the mean of its divisors is an integer number (4167798336).

Almost surely, 2^53279724625 is an apocalyptic number.

It is an amenable number.

53279724625 is a deficient number, since it is larger than the sum of its proper divisors (13405048751).

53279724625 is a wasteful number, since it uses less digits than its factorization.

53279724625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228713 (or 1228703 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 52.

The spelling of 53279724625 in words is "fifty-three billion, two hundred seventy-nine million, seven hundred twenty-four thousand, six hundred twenty-five".