56424422 has 4 divisors (see below), whose sum is σ = 84636636. Its totient is φ = 28212210.

The previous prime is 56424391. The next prime is 56424427. The reversal of 56424422 is 22442465.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56424427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14106104 + ... + 14106107.

It is an arithmetic number, because the mean of its divisors is an integer number (21159159).

Almost surely, 2^56424422 is an apocalyptic number.

56424422 is a deficient number, since it is larger than the sum of its proper divisors (28212214).

56424422 is a wasteful number, since it uses less digits than its factorization.

56424422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28212213.

The product of its digits is 15360, while the sum is 29.

The square root of 56424422 is about 7511.6191330498. The cubic root of 56424422 is about 383.5503408116.

Adding to 56424422 its reverse (22442465), we get a palindrome (78866887).

The spelling of 56424422 in words is "fifty-six million, four hundred twenty-four thousand, four hundred twenty-two".