56236314421 has 16 divisors (see below), whose sum is σ = 64783555200. Its totient is φ = 47818267200.

The previous prime is 56236314413. The next prime is 56236314451. The reversal of 56236314421 is 12441363265.

It is a cyclic number.

It is not a de Polignac number, because 56236314421 - 2³ = 56236314413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56236314401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 797446 + ... + 865096.

It is an arithmetic number, because the mean of its divisors is an integer number (4048972200).

Almost surely, 2^56236314421 is an apocalyptic number.

It is an amenable number.

56236314421 is a deficient number, since it is larger than the sum of its proper divisors (8547240779).

56236314421 is a wasteful number, since it uses less digits than its factorization.

56236314421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68604.

The product of its digits is 103680, while the sum is 37.

Adding to 56236314421 its reverse (12441363265), we get a palindrome (68677677686).

The spelling of 56236314421 in words is "fifty-six billion, two hundred thirty-six million, three hundred fourteen thousand, four hundred twenty-one".