56414425421 has 4 divisors (see below), whose sum is σ = 59732921052. Its totient is φ = 53095929792.

The previous prime is 56414425411. The next prime is 56414425423. The reversal of 56414425421 is 12452441465.

56414425421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 43676820100 + 12737605321 = 208990^2 + 112861^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56414425421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56414425423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1659247790 + ... + 1659247823.

It is an arithmetic number, because the mean of its divisors is an integer number (14933230263).

Almost surely, 2^56414425421 is an apocalyptic number.

It is an amenable number.

56414425421 is a deficient number, since it is larger than the sum of its proper divisors (3318495631).

56414425421 is a wasteful number, since it uses less digits than its factorization.

56414425421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3318495630.

The product of its digits is 153600, while the sum is 38.

Adding to 56414425421 its reverse (12452441465), we get a palindrome (68866866886).

The spelling of 56414425421 in words is "fifty-six billion, four hundred fourteen million, four hundred twenty-five thousand, four hundred twenty-one".