57779492 has 12 divisors (see below), whose sum is σ = 101195136. Its totient is φ = 28866600.

The previous prime is 57779489. The next prime is 57779507. The reversal of 57779492 is 29497775.

It is a self number, because there is not a number n which added to its sum of digits gives 57779492.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 617 + ... + 10767.

It is an arithmetic number, because the mean of its divisors is an integer number (8432928).

Almost surely, 2^57779492 is an apocalyptic number.

It is an amenable number.

57779492 is a deficient number, since it is larger than the sum of its proper divisors (43415644).

57779492 is a wasteful number, since it uses less digits than its factorization.

57779492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11578 (or 11576 counting only the distinct ones).

The product of its digits is 1111320, while the sum is 50.

The square root of 57779492 is about 7601.2822602506. The cubic root of 57779492 is about 386.5964897745.

The spelling of 57779492 in words is "fifty-seven million, seven hundred seventy-nine thousand, four hundred ninety-two".