57747079465525 has 6 divisors (see below), whose sum is σ = 71606378537282. Its totient is φ = 46197663572400.

The previous prime is 57747079465519. The next prime is 57747079465529. The reversal of 57747079465525 is 52556497074775.

It can be written as a sum of positive squares in 3 ways, for example, as 664476043716 + 57082603421809 = 815154^2 + 7555303^2 .

It is not a de Polignac number, because 57747079465525 - 2¹⁷ = 57747079334453 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 (57747079465529) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1154941589286 + ... + 1154941589335.

Almost surely, 2^{57747079465525} is an apocalyptic number.

It is an amenable number.

57747079465525 is a deficient number, since it is larger than the sum of its proper divisors (13859299071757).

57747079465525 is a wasteful number, since it uses less digits than its factorization.

57747079465525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309883178631 (or 2309883178626 counting only the distinct ones).

The product of its (nonzero) digits is 2593080000, while the sum is 73.

The spelling of 57747079465525 in words is "fifty-seven trillion, seven hundred forty-seven billion, seventy-nine million, four hundred sixty-five thousand, five hundred twenty-five".