57538856 has 32 divisors (see below), whose sum is σ = 109900800. Its totient is φ = 28237440.

The previous prime is 57538849. The next prime is 57538889. The reversal of 57538856 is 65883575.

It is a super-3 number, since 3×57538856³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57538856.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150041 + ... + 150423.

It is an arithmetic number, because the mean of its divisors is an integer number (3434400).

Almost surely, 2^57538856 is an apocalyptic number.

It is an amenable number.

57538856 is a deficient number, since it is larger than the sum of its proper divisors (52361944).

57538856 is a wasteful number, since it uses less digits than its factorization.

57538856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689 (or 685 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 47.

The square root of 57538856 is about 7585.4371001281. The cubic root of 57538856 is about 386.0590529535.

The spelling of 57538856 in words is "fifty-seven million, five hundred thirty-eight thousand, eight hundred fifty-six".