56424402 has 24 divisors (see below), whose sum is σ = 126197760. Its totient is φ = 18201240.

The previous prime is 56424391. The next prime is 56424427. The reversal of 56424402 is 20442465.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50002 + ... + 51117.

It is an arithmetic number, because the mean of its divisors is an integer number (5258240).

Almost surely, 2^56424402 is an apocalyptic number.

56424402 is an abundant number, since it is smaller than the sum of its proper divisors (69773358).

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

56424402 is a wasteful number, since it uses less digits than its factorization.

56424402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101158 (or 101155 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 56424402 is about 7511.6178017788. The cubic root of 56424402 is about 383.5502954943.

Adding to 56424402 its reverse (20442465), we get a palindrome (76866867).

The spelling of 56424402 in words is "fifty-six million, four hundred twenty-four thousand, four hundred two".