57256193 has 8 divisors (see below), whose sum is σ = 58164480. Its totient is φ = 56354800.

The previous prime is 57256181. The next prime is 57256207. The reversal of 57256193 is 39165275.

It is a happy number.

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 57256193 - 2⁸ = 57255937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57252193) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 16496 + ... + 19662.

It is an arithmetic number, because the mean of its divisors is an integer number (7270560).

Almost surely, 2^57256193 is an apocalyptic number.

It is an amenable number.

57256193 is a deficient number, since it is larger than the sum of its proper divisors (908287).

57256193 is a wasteful number, since it uses less digits than its factorization.

57256193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3447.

The product of its digits is 56700, while the sum is 38.

The square root of 57256193 is about 7566.7822091032. The cubic root of 57256193 is about 385.4258356770.

It can be divided in two parts, 572 and 56193, that added together give a palindrome (56765).

The spelling of 57256193 in words is "fifty-seven million, two hundred fifty-six thousand, one hundred ninety-three".