56422320 has 80 divisors (see below), whose sum is σ = 185211360. Its totient is φ = 14159872.

The previous prime is 56422307. The next prime is 56422339. The reversal of 56422320 is 2322465.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2835 + ... + 10994.

It is an arithmetic number, because the mean of its divisors is an integer number (2315142).

Almost surely, 2^56422320 is an apocalyptic number.

It is an amenable number.

56422320 is an abundant number, since it is smaller than the sum of its proper divisors (128789040).

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

56422320 is a wasteful number, since it uses less digits than its factorization.

56422320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13862 (or 13856 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 56422320 is about 7511.4792151746. The cubic root of 56422320 is about 383.5455779046.

Adding to 56422320 its reverse (2322465), we get a palindrome (58744785).

The spelling of 56422320 in words is "fifty-six million, four hundred twenty-two thousand, three hundred twenty".