57738256 has 40 divisors (see below), whose sum is σ = 119992320. Its totient is φ = 26817024.

The previous prime is 57738227. The next prime is 57738271. The reversal of 57738256 is 65283775.

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, 20145 + ... + 22831.

It is an arithmetic number, because the mean of its divisors is an integer number (2999808).

Almost surely, 2^57738256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57738256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59996160).

57738256 is an abundant number, since it is smaller than the sum of its proper divisors (62254064).

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

57738256 is a wasteful number, since it uses less digits than its factorization.

57738256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2791 (or 2785 counting only the distinct ones).

The product of its digits is 352800, while the sum is 43.

The square root of 57738256 is about 7598.5693390269. The cubic root of 57738256 is about 386.5044993108.

The spelling of 57738256 in words is "fifty-seven million, seven hundred thirty-eight thousand, two hundred fifty-six".