56806438 has 8 divisors (see below), whose sum is σ = 91764288. Its totient is φ = 26218344.

The previous prime is 56806423. The next prime is 56806441. The reversal of 56806438 is 83460865.

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

It is a self number, because there is not a number n which added to its sum of digits gives 56806438.

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, 1092406 + ... + 1092457.

It is an arithmetic number, because the mean of its divisors is an integer number (11470536).

Almost surely, 2^56806438 is an apocalyptic number.

56806438 is a deficient number, since it is larger than the sum of its proper divisors (34957850).

56806438 is a wasteful number, since it uses less digits than its factorization.

56806438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184878.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 56806438 is about 7537.0045774167. The cubic root of 56806438 is about 384.4139912679.

The spelling of 56806438 in words is "fifty-six million, eight hundred six thousand, four hundred thirty-eight".