56613263 has 8 divisors (see below), whose sum is σ = 64837632. Its totient is φ = 48423096.

The previous prime is 56613259. The next prime is 56613283. The reversal of 56613263 is 36231665.

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 56613263 - 2² = 56613259 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 (56613283) 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, 4895 + ... + 11712.

It is an arithmetic number, because the mean of its divisors is an integer number (8104704).

Almost surely, 2^56613263 is an apocalyptic number.

56613263 is a deficient number, since it is larger than the sum of its proper divisors (8224369).

56613263 is a wasteful number, since it uses less digits than its factorization.

56613263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17101.

The product of its digits is 19440, while the sum is 32.

The square root of 56613263 is about 7524.1785598163. The cubic root of 56613263 is about 383.9777525269.

The spelling of 56613263 in words is "fifty-six million, six hundred thirteen thousand, two hundred sixty-three".