56663830 has 8 divisors (see below), whose sum is σ = 101994912. Its totient is φ = 22665528.

The previous prime is 56663821. The next prime is 56663861. The reversal of 56663830 is 3836665.

56663830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 56663830.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2833182 + ... + 2833201.

It is an arithmetic number, because the mean of its divisors is an integer number (12749364).

Almost surely, 2^56663830 is an apocalyptic number.

56663830 is a deficient number, since it is larger than the sum of its proper divisors (45331082).

56663830 is a wasteful number, since it uses less digits than its factorization.

56663830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5666390.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 56663830 is about 7527.5381101659. The cubic root of 56663830 is about 384.0920415579.

The spelling of 56663830 in words is "fifty-six million, six hundred sixty-three thousand, eight hundred thirty".