57979428 has 24 divisors (see below), whose sum is σ = 145692288. Its totient is φ = 17839776.

The previous prime is 57979423. The next prime is 57979433. The reversal of 57979428 is 82497975.

It is an interprime number because it is at equal distance from previous prime (57979423) and next prime (57979433).

It is a super-2 number, since 2×57979428² = 6723228142414368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57979423) 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, 185676 + ... + 185987.

It is an arithmetic number, because the mean of its divisors is an integer number (6070512).

Almost surely, 2^57979428 is an apocalyptic number.

It is an amenable number.

57979428 is an abundant number, since it is smaller than the sum of its proper divisors (87712860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57979428 is a wasteful number, since it uses less digits than its factorization.

57979428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371683 (or 371681 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 51.

The square root of 57979428 is about 7614.4223681117. The cubic root of 57979428 is about 387.0418933209.

It can be divided in two parts, 5797 and 9428, that added together give a triangular number (15225 = T₁₇₄).

The spelling of 57979428 in words is "fifty-seven million, nine hundred seventy-nine thousand, four hundred twenty-eight".