57769489 has 4 divisors (see below), whose sum is σ = 57801780. Its totient is φ = 57737200.

The previous prime is 57769487. The next prime is 57769549. The reversal of 57769489 is 98496775.

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 20657025 + 37112464 = 4545^2 + 6092^2 .

It is a cyclic number.

It is not a de Polignac number, because 57769489 - 2¹ = 57769487 is a prime.

It is a super-2 number, since 2×57769489² = 6674627718642242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57769483) 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, 13294 + ... + 17095.

It is an arithmetic number, because the mean of its divisors is an integer number (14450445).

Almost surely, 2^57769489 is an apocalyptic number.

It is an amenable number.

57769489 is a deficient number, since it is larger than the sum of its proper divisors (32291).

57769489 is a wasteful number, since it uses less digits than its factorization.

57769489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32290.

The product of its digits is 3810240, while the sum is 55.

The square root of 57769489 is about 7600.6242506784. The cubic root of 57769489 is about 386.5741788141.

The spelling of 57769489 in words is "fifty-seven million, seven hundred sixty-nine thousand, four hundred eighty-nine".