56358122959 has 4 divisors (see below), whose sum is σ = 56358674104. Its totient is φ = 56357571816.

The previous prime is 56358122941. The next prime is 56358122987. The reversal of 56358122959 is 95922185365.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 56358122959 - 2⁵ = 56358122927 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 (56358122929) 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, 72117 + ... + 343390.

It is an arithmetic number, because the mean of its divisors is an integer number (14089668526).

Almost surely, 2^56358122959 is an apocalyptic number.

56358122959 is a deficient number, since it is larger than the sum of its proper divisors (551145).

56358122959 is a wasteful number, since it uses less digits than its factorization.

56358122959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551144.

The product of its digits is 5832000, while the sum is 55.

The spelling of 56358122959 in words is "fifty-six billion, three hundred fifty-eight million, one hundred twenty-two thousand, nine hundred fifty-nine".