57806992754281 has 9 divisors (see below), whose sum is σ = 59732130959319. Its totient is φ = 55942022959800.

The previous prime is 57806992754267. The next prime is 57806992754293. The reversal of 57806992754281 is 18245729960875.

The square root of 57806992754281 is 7603091.

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., 56657851633881 + 1149141120400 = 7527141^2 + 1071980^2 .

It is not a de Polignac number, because 57806992754281 - 2¹³ = 57806992746089 is a prime.

It is a super-2 number, since 2×57806992754281² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57806992754201) 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, 235573191 + ... + 235818451.

Almost surely, 2^{57806992754281} is an apocalyptic number.

57806992754281 is the 7603091-st square number.

57806992754281 is the 3801546-th centered octagonal number.

It is an amenable number.

57806992754281 is a deficient number, since it is larger than the sum of its proper divisors (1925138205038).

57806992754281 is an frugal number, since it uses more digits than its factorization.

57806992754281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490584 (or 245292 counting only the distinct ones).

The product of its (nonzero) digits is 609638400, while the sum is 73.

The spelling of 57806992754281 in words is "fifty-seven trillion, eight hundred six billion, nine hundred ninety-two million, seven hundred fifty-four thousand, two hundred eighty-one".