56424002 has 4 divisors (see below), whose sum is σ = 84636006. Its totient is φ = 28212000.

The previous prime is 56423987. The next prime is 56424007. The reversal of 56424002 is 20042465.

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

It can be written as a sum of positive squares in only one way, i.e., 43970161 + 12453841 = 6631^2 + 3529^2 .

It is not an unprimeable number, because it can be changed into a prime (56424007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14105999 + ... + 14106002.

Almost surely, 2^56424002 is an apocalyptic number.

56424002 is a deficient number, since it is larger than the sum of its proper divisors (28212004).

56424002 is a wasteful number, since it uses less digits than its factorization.

56424002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28212003.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 56424002 is about 7511.5911763088. The cubic root of 56424002 is about 383.5493891460.

Adding to 56424002 its reverse (20042465), we get a palindrome (76466467).

The spelling of 56424002 in words is "fifty-six million, four hundred twenty-four thousand, two".