57538356 has 48 divisors (see below), whose sum is σ = 139722240. Its totient is φ = 18408960.

The previous prime is 57538333. The next prime is 57538361. The reversal of 57538356 is 65383575.

It is a super-2 number, since 2×57538356² = 6621324822365472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50400 + ... + 51528.

It is an arithmetic number, because the mean of its divisors is an integer number (2910880).

Almost surely, 2^57538356 is an apocalyptic number.

It is an amenable number.

57538356 is an abundant number, since it is smaller than the sum of its proper divisors (82183884).

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

57538356 is a wasteful number, since it uses less digits than its factorization.

57538356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304 (or 1302 counting only the distinct ones).

The product of its digits is 378000, while the sum is 42.

The square root of 57538356 is about 7585.4041421667. The cubic root of 57538356 is about 386.0579346941.

The spelling of 57538356 in words is "fifty-seven million, five hundred thirty-eight thousand, three hundred fifty-six".