56639794 has 8 divisors (see below), whose sum is σ = 86767488. Its totient is φ = 27717300.

The previous prime is 56639783. The next prime is 56639797. The reversal of 56639794 is 49793665.

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

It is not an unprimeable number, because it can be changed into a prime (56639797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301182 + ... + 301369.

It is an arithmetic number, because the mean of its divisors is an integer number (10845936).

Almost surely, 2^56639794 is an apocalyptic number.

56639794 is a deficient number, since it is larger than the sum of its proper divisors (30127694).

56639794 is a wasteful number, since it uses less digits than its factorization.

56639794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602600.

The product of its digits is 1224720, while the sum is 49.

The square root of 56639794 is about 7525.9414029077. The cubic root of 56639794 is about 384.0377250625.

The spelling of 56639794 in words is "fifty-six million, six hundred thirty-nine thousand, seven hundred ninety-four".