57749424 has 40 divisors (see below), whose sum is σ = 151238832. Its totient is φ = 18984960.

The previous prime is 57749413. The next prime is 57749429. The reversal of 57749424 is 42494775.

It is a super-3 number, since 3×57749424³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (57749429) 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, 4737 + ... + 11744.

Almost surely, 2^57749424 is an apocalyptic number.

It is an amenable number.

57749424 is an abundant number, since it is smaller than the sum of its proper divisors (93489408).

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

57749424 is a wasteful number, since it uses less digits than its factorization.

57749424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16565 (or 16559 counting only the distinct ones).

The product of its digits is 282240, while the sum is 42.

The square root of 57749424 is about 7599.3041786732. The cubic root of 57749424 is about 386.5294175324.

The spelling of 57749424 in words is "fifty-seven million, seven hundred forty-nine thousand, four hundred twenty-four".