57804979 has 2 divisors, whose sum is σ = 57804980. Its totient is φ = 57804978.

The previous prime is 57804959. The next prime is 57804983. The reversal of 57804979 is 97940875.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57804979 - 2¹¹ = 57802931 is a prime.

It is not a weakly prime, because it can be changed into another prime (57804959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28902489 + 28902490.

It is an arithmetic number, because the mean of its divisors is an integer number (28902490).

Almost surely, 2^57804979 is an apocalyptic number.

57804979 is a deficient number, since it is larger than the sum of its proper divisors (1).

57804979 is an equidigital number, since it uses as much as digits as its factorization.

57804979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 635040, while the sum is 49.

The square root of 57804979 is about 7602.9585688730. The cubic root of 57804979 is about 386.6533250285.

The spelling of 57804979 in words is "fifty-seven million, eight hundred four thousand, nine hundred seventy-nine".