56400322 has 32 divisors (see below), whose sum is σ = 102876480. Its totient is φ = 22855680.

The previous prime is 56400317. The next prime is 56400349. The reversal of 56400322 is 22300465.

It is a happy number.

56400322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 56400293 and 56400302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3138 + ... + 11074.

It is an arithmetic number, because the mean of its divisors is an integer number (3214890).

Almost surely, 2^56400322 is an apocalyptic number.

56400322 is a deficient number, since it is larger than the sum of its proper divisors (46476158).

56400322 is a wasteful number, since it uses less digits than its factorization.

56400322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7986.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 56400322 is about 7510.0147802784. The cubic root of 56400322 is about 383.4957256926.

Adding to 56400322 its reverse (22300465), we get a palindrome (78700787).

The spelling of 56400322 in words is "fifty-six million, four hundred thousand, three hundred twenty-two".