57052256 has 12 divisors (see below), whose sum is σ = 112321692. Its totient is φ = 28526112.

The previous prime is 57052241. The next prime is 57052267. The reversal of 57052256 is 65225075.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 1782883 = 57052256 / (5 + 7 + 0 + 5 + 2 + 2 + 5 + 6).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 891410 + ... + 891473.

It is an arithmetic number, because the mean of its divisors is an integer number (9360141).

Almost surely, 2^57052256 is an apocalyptic number.

It is an amenable number.

57052256 is a deficient number, since it is larger than the sum of its proper divisors (55269436).

57052256 is a wasteful number, since it uses less digits than its factorization.

57052256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1782893 (or 1782885 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 57052256 is about 7553.2943805998. The cubic root of 57052256 is about 384.9676838001.

The spelling of 57052256 in words is "fifty-seven million, fifty-two thousand, two hundred fifty-six".