556506600023 has 4 divisors (see below), whose sum is σ = 607098109128. Its totient is φ = 505915090920.

The previous prime is 556506599981. The next prime is 556506600031. The reversal of 556506600023 is 320006605655.

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

It is a cyclic number.

It is not a de Polignac number, because 556506600023 - 2¹⁸ = 556506337879 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 556506600023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556506600043) 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, 25295754536 + ... + 25295754557.

It is an arithmetic number, because the mean of its divisors is an integer number (151774527282).

Almost surely, 2^556506600023 is an apocalyptic number.

556506600023 is a deficient number, since it is larger than the sum of its proper divisors (50591509105).

556506600023 is a wasteful number, since it uses less digits than its factorization.

556506600023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50591509104.

The product of its (nonzero) digits is 162000, while the sum is 38.

The spelling of 556506600023 in words is "five hundred fifty-six billion, five hundred six million, six hundred thousand, twenty-three".