56621444315 has 8 divisors (see below), whose sum is σ = 71942541120. Its totient is φ = 42632616832.

The previous prime is 56621444309. The next prime is 56621444353. The reversal of 56621444315 is 51344412665.

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

It is a cyclic number.

It is not a de Polignac number, because 56621444315 - 2¹⁸ = 56621182171 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333067235 + ... + 333067404.

It is an arithmetic number, because the mean of its divisors is an integer number (8992817640).

Almost surely, 2^56621444315 is an apocalyptic number.

56621444315 is a deficient number, since it is larger than the sum of its proper divisors (15321096805).

56621444315 is a wasteful number, since it uses less digits than its factorization.

56621444315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666134661.

The product of its digits is 345600, while the sum is 41.

The spelling of 56621444315 in words is "fifty-six billion, six hundred twenty-one million, four hundred forty-four thousand, three hundred fifteen".