56005838 has 16 divisors (see below), whose sum is σ = 96944640. Its totient is φ = 23768856.

The previous prime is 56005801. The next prime is 56005841. The reversal of 56005838 is 83850065.

It is a junction number, because it is equal to n+sod(n) for n = 56005798 and 56005807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17978 + ... + 20861.

It is an arithmetic number, because the mean of its divisors is an integer number (6059040).

Almost surely, 2^56005838 is an apocalyptic number.

56005838 is a deficient number, since it is larger than the sum of its proper divisors (40938802).

56005838 is a wasteful number, since it uses less digits than its factorization.

56005838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38951.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 56005838 is about 7483.7048311648. The cubic root of 56005838 is about 382.5995309642.

The spelling of 56005838 in words is "fifty-six million, five thousand, eight hundred thirty-eight".