57124992 has 32 divisors (see below), whose sum is σ = 151739280. Its totient is φ = 19041536.

The previous prime is 57124987. The next prime is 57124997. The reversal of 57124992 is 29942175.

It is an interprime number because it is at equal distance from previous prime (57124987) and next prime (57124997).

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×57124992² = 6526529422000128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57124992.

It is not an unprimeable number, because it can be changed into a prime (57124997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73998 + ... + 74765.

Almost surely, 2^57124992 is an apocalyptic number.

It is an amenable number.

57124992 is an abundant number, since it is smaller than the sum of its proper divisors (94614288).

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

57124992 is a wasteful number, since it uses less digits than its factorization.

57124992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148780 (or 148768 counting only the distinct ones).

The product of its digits is 45360, while the sum is 39.

The square root of 57124992 is about 7558.1076996825. The cubic root of 57124992 is about 385.1312129360.

The spelling of 57124992 in words is "fifty-seven million, one hundred twenty-four thousand, nine hundred ninety-two".