57722979 has 8 divisors (see below), whose sum is σ = 78112960. Its totient is φ = 37907496.

The previous prime is 57722953. The next prime is 57722993. The reversal of 57722979 is 97922775.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57722979 - 2⁸ = 57722723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57720979) 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, 143389 + ... + 143790.

It is an arithmetic number, because the mean of its divisors is an integer number (9764120).

Almost surely, 2^57722979 is an apocalyptic number.

57722979 is a deficient number, since it is larger than the sum of its proper divisors (20389981).

57722979 is a wasteful number, since it uses less digits than its factorization.

57722979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287249.

The product of its digits is 555660, while the sum is 48.

The square root of 57722979 is about 7597.5640174993. The cubic root of 57722979 is about 386.4704078177.

The spelling of 57722979 in words is "fifty-seven million, seven hundred twenty-two thousand, nine hundred seventy-nine".