56864663 has 8 divisors (see below), whose sum is σ = 61318320. Its totient is φ = 52557120.

The previous prime is 56864659. The next prime is 56864693. The reversal of 56864663 is 36646865.

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 56864663 - 2² = 56864659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56864623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35720 + ... + 37277.

It is an arithmetic number, because the mean of its divisors is an integer number (7664790).

Almost surely, 2^56864663 is an apocalyptic number.

56864663 is a deficient number, since it is larger than the sum of its proper divisors (4453657).

56864663 is a wasteful number, since it uses less digits than its factorization.

56864663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73057.

The product of its digits is 622080, while the sum is 44.

The square root of 56864663 is about 7540.8661969299. The cubic root of 56864663 is about 384.5452842611.

The spelling of 56864663 in words is "fifty-six million, eight hundred sixty-four thousand, six hundred sixty-three".