556326056501 has 4 divisors (see below), whose sum is σ = 556327612512. Its totient is φ = 556324500492.

The previous prime is 556326056471. The next prime is 556326056521. The reversal of 556326056501 is 105650623655.

556326056501 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, and also a Blum integer, because the two primes are equal to 3 mod 4, 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 556326056501 - 2⁶ = 556326056437 is a prime.

It is a super-2 number, since 2×556326056501² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556326056521) 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, 57080 + ... + 1056366.

It is an arithmetic number, because the mean of its divisors is an integer number (139081903128).

Almost surely, 2^556326056501 is an apocalyptic number.

It is an amenable number.

556326056501 is a deficient number, since it is larger than the sum of its proper divisors (1556011).

556326056501 is an equidigital number, since it uses as much as digits as its factorization.

556326056501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556010.

The product of its (nonzero) digits is 810000, while the sum is 44.

The spelling of 556326056501 in words is "five hundred fifty-six billion, three hundred twenty-six million, fifty-six thousand, five hundred one".