56655863 has 8 divisors (see below), whose sum is σ = 61870080. Its totient is φ = 51452280.

The previous prime is 56655847. The next prime is 56655881. The reversal of 56655863 is 36855665.

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

It is not a de Polignac number, because 56655863 - 2⁴ = 56655847 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 (56658863) 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, 12056 + ... + 16082.

It is an arithmetic number, because the mean of its divisors is an integer number (7733760).

Almost surely, 2^56655863 is an apocalyptic number.

56655863 is a deficient number, since it is larger than the sum of its proper divisors (5214217).

56655863 is a wasteful number, since it uses less digits than its factorization.

56655863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5317.

The product of its digits is 648000, while the sum is 44.

The square root of 56655863 is about 7527.0089012834. The cubic root of 56655863 is about 384.0740394525.

The spelling of 56655863 in words is "fifty-six million, six hundred fifty-five thousand, eight hundred sixty-three".