57256359 has 4 divisors (see below), whose sum is σ = 76341816. Its totient is φ = 38170904.

The previous prime is 57256333. The next prime is 57256403. The reversal of 57256359 is 95365275.

57256359 is nontrivially palindromic in base 4.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57256359 - 2⁷ = 57256231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57256359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57254359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9542724 + ... + 9542729.

It is an arithmetic number, because the mean of its divisors is an integer number (19085454).

Almost surely, 2^57256359 is an apocalyptic number.

57256359 is a deficient number, since it is larger than the sum of its proper divisors (19085457).

57256359 is a wasteful number, since it uses less digits than its factorization.

57256359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19085456.

The product of its digits is 283500, while the sum is 42.

The square root of 57256359 is about 7566.7931780907. The cubic root of 57256359 is about 385.4262081586.

The spelling of 57256359 in words is "fifty-seven million, two hundred fifty-six thousand, three hundred fifty-nine".