57726256 has 40 divisors (see below), whose sum is σ = 134554880. Its totient is φ = 23436864.

The previous prime is 57726239. The next prime is 57726259. The reversal of 57726256 is 65262775.

It is not an unprimeable number, because it can be changed into a prime (57726259) 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, 11436 + ... + 15691.

It is an arithmetic number, because the mean of its divisors is an integer number (3363872).

Almost surely, 2^57726256 is an apocalyptic number.

57726256 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

57726256 is an abundant number, since it is smaller than the sum of its proper divisors (76828624).

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

57726256 is a wasteful number, since it uses less digits than its factorization.

57726256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27161 (or 27155 counting only the distinct ones).

The product of its digits is 176400, while the sum is 40.

The square root of 57726256 is about 7597.7796756684. The cubic root of 57726256 is about 386.4777211360.

The spelling of 57726256 in words is "fifty-seven million, seven hundred twenty-six thousand, two hundred fifty-six".