56838186 has 48 divisors (see below), whose sum is σ = 129021984. Its totient is φ = 18751824.

The previous prime is 56838169. The next prime is 56838193. The reversal of 56838186 is 68183865.

56838186 is a `hidden beast` number, since 568 + 3 + 8 + 1 + 86 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51456 + ... + 52548.

It is an arithmetic number, because the mean of its divisors is an integer number (2687958).

Almost surely, 2^56838186 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56838186, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64510992).

56838186 is an abundant number, since it is smaller than the sum of its proper divisors (72183798).

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

56838186 is a wasteful number, since it uses less digits than its factorization.

56838186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217 (or 1205 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 56838186 is about 7539.1104249772. The cubic root of 56838186 is about 384.4855917351.

The spelling of 56838186 in words is "fifty-six million, eight hundred thirty-eight thousand, one hundred eighty-six".