56344402 has 4 divisors (see below), whose sum is σ = 84516606. Its totient is φ = 28172200.

The previous prime is 56344363. The next prime is 56344403. The reversal of 56344402 is 20444365.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20444365 = 5 ⋅4088873.

It can be written as a sum of positive squares in only one way, i.e., 49999041 + 6345361 = 7071^2 + 2519^2 .

It is not an unprimeable number, because it can be changed into a prime (56344403) by changing a digit.

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 as a sum of consecutive naturals, namely, 14086099 + ... + 14086102.

Almost surely, 2^56344402 is an apocalyptic number.

56344402 is a deficient number, since it is larger than the sum of its proper divisors (28172204).

56344402 is a wasteful number, since it uses less digits than its factorization.

56344402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28172203.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 56344402 is about 7506.2908283652. The cubic root of 56344402 is about 383.3689405277.

Adding to 56344402 its reverse (20444365), we get a palindrome (76788767).

The spelling of 56344402 in words is "fifty-six million, three hundred forty-four thousand, four hundred two".