56993238 has 24 divisors (see below), whose sum is σ = 123894576. Its totient is φ = 18934800.

The previous prime is 56993227. The next prime is 56993243. The reversal of 56993238 is 83239965.

It is a junction number, because it is equal to n+sod(n) for n = 56993193 and 56993202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 508 + ... + 10688.

It is an arithmetic number, because the mean of its divisors is an integer number (5162274).

Almost surely, 2^56993238 is an apocalyptic number.

56993238 is an abundant number, since it is smaller than the sum of its proper divisors (66901338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56993238 is a wasteful number, since it uses less digits than its factorization.

56993238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10500 (or 10497 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 56993238 is about 7549.3865975985. The cubic root of 56993238 is about 384.8348940670.

The spelling of 56993238 in words is "fifty-six million, nine hundred ninety-three thousand, two hundred thirty-eight".