57978092 has 24 divisors (see below), whose sum is σ = 107666496. Its totient is φ = 27223808.

The previous prime is 57978083. The next prime is 57978097. The reversal of 57978092 is 29087975.

It is a super-2 number, since 2×57978092² = 6722918303920928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57978097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52013 + ... + 53115.

It is an arithmetic number, because the mean of its divisors is an integer number (4486104).

Almost surely, 2^57978092 is an apocalyptic number.

It is an amenable number.

57978092 is a deficient number, since it is larger than the sum of its proper divisors (49688404).

57978092 is a wasteful number, since it uses less digits than its factorization.

57978092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897 (or 1895 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 47.

The square root of 57978092 is about 7614.3346393497. The cubic root of 57978092 is about 387.0389204737.

The spelling of 57978092 in words is "fifty-seven million, nine hundred seventy-eight thousand, ninety-two".