56813822 has 16 divisors (see below), whose sum is σ = 92167152. Its totient is φ = 26110080.

The previous prime is 56813821. The next prime is 56813843. The reversal of 56813822 is 22831865.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56813821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1733 + ... + 10799.

It is an arithmetic number, because the mean of its divisors is an integer number (5760447).

Almost surely, 2^56813822 is an apocalyptic number.

56813822 is a deficient number, since it is larger than the sum of its proper divisors (35353330).

56813822 is a wasteful number, since it uses less digits than its factorization.

56813822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9323.

The product of its digits is 23040, while the sum is 35.

The square root of 56813822 is about 7537.4944112749. The cubic root of 56813822 is about 384.4306465980.

The spelling of 56813822 in words is "fifty-six million, eight hundred thirteen thousand, eight hundred twenty-two".