56426402 has 8 divisors (see below), whose sum is σ = 87558300. Its totient is φ = 27240304.

The previous prime is 56426393. The next prime is 56426407. The reversal of 56426402 is 20462465.

It can be written as a sum of positive squares in 2 ways, for example, as 55965361 + 461041 = 7481^2 + 679^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (56426407) 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 in 3 ways as a sum of consecutive naturals, for example, 486377 + ... + 486492.

Almost surely, 2^56426402 is an apocalyptic number.

56426402 is a deficient number, since it is larger than the sum of its proper divisors (31131898).

56426402 is a wasteful number, since it uses less digits than its factorization.

56426402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972900.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 56426402 is about 7511.7509277132. The cubic root of 56426402 is about 383.5548271715.

Adding to 56426402 its reverse (20462465), we get a palindrome (76888867).

The spelling of 56426402 in words is "fifty-six million, four hundred twenty-six thousand, four hundred two".