57650475169681 has 9 divisors (see below), whose sum is σ = 57894522175291. Its totient is φ = 57407452708144.

The previous prime is 57650475169577. The next prime is 57650475169691. The reversal of 57650475169681 is 18696157405675.

The square root of 57650475169681 is 7592791.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 15141118363281 + 42509356806400 = 3891159^2 + 6519920^2 .

It is not a de Polignac number, because 57650475169681 - 2³⁵ = 57616115431313 is a prime.

It is a super-2 number, since 2×57650475169681² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57650475169681.

It is not an unprimeable number, because it can be changed into a prime (57650475169691) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1814661165 + ... + 1814692933.

Almost surely, 2^{57650475169681} is an apocalyptic number.

57650475169681 is the 7592791-st square number.

57650475169681 is the 3796396-th centered octagonal number.

It is an amenable number.

57650475169681 is a deficient number, since it is larger than the sum of its proper divisors (244047005610).

57650475169681 is an frugal number, since it uses more digits than its factorization.

57650475169681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64016 (or 32008 counting only the distinct ones).

The product of its (nonzero) digits is 381024000, while the sum is 70.

The spelling of 57650475169681 in words is "fifty-seven trillion, six hundred fifty billion, four hundred seventy-five million, one hundred sixty-nine thousand, six hundred eighty-one".