57256955 has 8 divisors (see below), whose sum is σ = 78523872. Its totient is φ = 39261888.

The previous prime is 57256943. The next prime is 57256961. The reversal of 57256955 is 55965275.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57256955 - 2¹⁴ = 57240571 is a prime.

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, 817922 + ... + 817991.

It is an arithmetic number, because the mean of its divisors is an integer number (9815484).

Almost surely, 2^57256955 is an apocalyptic number.

57256955 is a deficient number, since it is larger than the sum of its proper divisors (21266917).

57256955 is a wasteful number, since it uses less digits than its factorization.

57256955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635925.

The product of its digits is 472500, while the sum is 44.

The square root of 57256955 is about 7566.8325605897. The cubic root of 57256955 is about 385.4275454960.

The spelling of 57256955 in words is "fifty-seven million, two hundred fifty-six thousand, nine hundred fifty-five".