56658993 has 8 divisors (see below), whose sum is σ = 77302368. Its totient is φ = 36894144.

The previous prime is 56658989. The next prime is 56659003. The reversal of 56658993 is 39985665.

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

It is not a de Polignac number, because 56658993 - 2² = 56658989 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56658193) 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, 219480 + ... + 219737.

It is an arithmetic number, because the mean of its divisors is an integer number (9662796).

Almost surely, 2^56658993 is an apocalyptic number.

It is an amenable number.

56658993 is a deficient number, since it is larger than the sum of its proper divisors (20643375).

56658993 is a wasteful number, since it uses less digits than its factorization.

56658993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439263.

The product of its digits is 1749600, while the sum is 51.

The square root of 56658993 is about 7527.2168163273. The cubic root of 56658993 is about 384.0811121515.

The spelling of 56658993 in words is "fifty-six million, six hundred fifty-eight thousand, nine hundred ninety-three".