57256363 has 4 divisors (see below), whose sum is σ = 57484728. Its totient is φ = 57028000.

The previous prime is 57256333. The next prime is 57256403. The reversal of 57256363 is 36365275.

It is a happy number.

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 57256363 - 2⁹ = 57255851 is a prime.

It is a super-2 number, since 2×57256363² = 6556582207975538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57256333) 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, 113806 + ... + 114307.

It is an arithmetic number, because the mean of its divisors is an integer number (14371182).

Almost surely, 2^57256363 is an apocalyptic number.

57256363 is a deficient number, since it is larger than the sum of its proper divisors (228365).

57256363 is a wasteful number, since it uses less digits than its factorization.

57256363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228364.

The product of its digits is 113400, while the sum is 37.

The square root of 57256363 is about 7566.7934424035. The cubic root of 57256363 is about 385.4262171340.

The spelling of 57256363 in words is "fifty-seven million, two hundred fifty-six thousand, three hundred sixty-three".