57383557 has 32 divisors (see below), whose sum is σ = 74419200. Its totient is φ = 43853040.

The previous prime is 57383533. The next prime is 57383561. The reversal of 57383557 is 75538375.

It is not a de Polignac number, because 57383557 - 2¹⁵ = 57350789 is a prime.

It is a super-2 number, since 2×57383557² = 6585745227944498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57383587) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 252678 + ... + 252904.

It is an arithmetic number, because the mean of its divisors is an integer number (2325600).

Almost surely, 2^57383557 is an apocalyptic number.

It is an amenable number.

57383557 is a deficient number, since it is larger than the sum of its proper divisors (17035643).

57383557 is a wasteful number, since it uses less digits than its factorization.

57383557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 312 counting only the distinct ones).

The product of its digits is 441000, while the sum is 43.

The square root of 57383557 is about 7575.1935288810. The cubic root of 57383557 is about 385.7114118997.

The spelling of 57383557 in words is "fifty-seven million, three hundred eighty-three thousand, five hundred fifty-seven".