56662790 has 8 divisors (see below), whose sum is σ = 101993040. Its totient is φ = 22665112.

The previous prime is 56662759. The next prime is 56662817. The reversal of 56662790 is 9726665.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2833130 + ... + 2833149.

It is an arithmetic number, because the mean of its divisors is an integer number (12749130).

Almost surely, 2^56662790 is an apocalyptic number.

56662790 is a deficient number, since it is larger than the sum of its proper divisors (45330250).

56662790 is a wasteful number, since it uses less digits than its factorization.

56662790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5666286.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 56662790 is about 7527.4690301588. The cubic root of 56662790 is about 384.0896916863.

The spelling of 56662790 in words is "fifty-six million, six hundred sixty-two thousand, seven hundred ninety".