56957663 has 8 divisors (see below), whose sum is σ = 65164320. Its totient is φ = 48768480.

The previous prime is 56957627. The next prime is 56957717. The reversal of 56957663 is 36675965.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56957663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56947663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3593 + ... + 11261.

It is an arithmetic number, because the mean of its divisors is an integer number (8145540).

Almost surely, 2^56957663 is an apocalyptic number.

56957663 is a deficient number, since it is larger than the sum of its proper divisors (8206657).

56957663 is a wasteful number, since it uses less digits than its factorization.

56957663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8737.

The product of its digits is 1020600, while the sum is 47.

The square root of 56957663 is about 7547.0300781168. The cubic root of 56957663 is about 384.7548064908.

The spelling of 56957663 in words is "fifty-six million, nine hundred fifty-seven thousand, six hundred sixty-three".