56638318 has 8 divisors (see below), whose sum is σ = 92680920. Its totient is φ = 25744680.

The previous prime is 56638301. The next prime is 56638331. The reversal of 56638318 is 81383665.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1287213 + ... + 1287256.

It is an arithmetic number, because the mean of its divisors is an integer number (11585115).

Almost surely, 2^56638318 is an apocalyptic number.

56638318 is a deficient number, since it is larger than the sum of its proper divisors (36042602).

56638318 is a wasteful number, since it uses less digits than its factorization.

56638318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2574482.

The product of its digits is 103680, while the sum is 40.

The square root of 56638318 is about 7525.8433414469. The cubic root of 56638318 is about 384.0343891005.

The spelling of 56638318 in words is "fifty-six million, six hundred thirty-eight thousand, three hundred eighteen".