56613766 has 8 divisors (see below), whose sum is σ = 92640744. Its totient is φ = 25733520.

The previous prime is 56613751. The next prime is 56613769. The reversal of 56613766 is 66731665.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56613769) 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 3 ways as a sum of consecutive naturals, for example, 1286655 + ... + 1286698.

It is an arithmetic number, because the mean of its divisors is an integer number (11580093).

Almost surely, 2^56613766 is an apocalyptic number.

56613766 is a deficient number, since it is larger than the sum of its proper divisors (36026978).

56613766 is a wasteful number, since it uses less digits than its factorization.

56613766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2573366.

The product of its digits is 136080, while the sum is 40.

The square root of 56613766 is about 7524.2119853178. The cubic root of 56613766 is about 383.9788897177.

The spelling of 56613766 in words is "fifty-six million, six hundred thirteen thousand, seven hundred sixty-six".