57766117 has 4 divisors (see below), whose sum is σ = 57791916. Its totient is φ = 57740320.

The previous prime is 57766069. The next prime is 57766123. The reversal of 57766117 is 71166775.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27888961 + 29877156 = 5281^2 + 5466^2 .

It is a cyclic number.

It is not a de Polignac number, because 57766117 - 2¹⁵ = 57733349 is a prime.

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 57766117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57766217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9184 + ... + 14137.

It is an arithmetic number, because the mean of its divisors is an integer number (14447979).

Almost surely, 2^57766117 is an apocalyptic number.

It is an amenable number.

57766117 is a deficient number, since it is larger than the sum of its proper divisors (25799).

57766117 is a wasteful number, since it uses less digits than its factorization.

57766117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25798.

The product of its digits is 61740, while the sum is 40.

The square root of 57766117 is about 7600.4024235563. The cubic root of 57766117 is about 386.5666572341.

The spelling of 57766117 in words is "fifty-seven million, seven hundred sixty-six thousand, one hundred seventeen".