57793979 has 4 divisors (see below), whose sum is σ = 58490376. Its totient is φ = 57097584.

The previous prime is 57793961. The next prime is 57793997. The reversal of 57793979 is 97939775.

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

It is an interprime number because it is at equal distance from previous prime (57793961) and next prime (57793997).

It is a cyclic number.

It is not a de Polignac number, because 57793979 - 2¹² = 57789883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57793949) 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, 348074 + ... + 348239.

It is an arithmetic number, because the mean of its divisors is an integer number (14622594).

Almost surely, 2^57793979 is an apocalyptic number.

57793979 is a deficient number, since it is larger than the sum of its proper divisors (696397).

57793979 is an equidigital number, since it uses as much as digits as its factorization.

57793979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696396.

The product of its digits is 3750705, while the sum is 56.

The square root of 57793979 is about 7602.2351318543. The cubic root of 57793979 is about 386.6287974044.

The spelling of 57793979 in words is "fifty-seven million, seven hundred ninety-three thousand, nine hundred seventy-nine".