555500500073 has 4 divisors (see below), whose sum is σ = 570514027140. Its totient is φ = 540486973008.

The previous prime is 555500500007. The next prime is 555500500091. The reversal of 555500500073 is 370005005555.

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 306387711529 + 249112788544 = 553523^2 + 499112^2 .

It is a cyclic number.

It is not a de Polignac number, because 555500500073 - 2²⁰ = 555499451497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (555500500673) 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, 7506763478 + ... + 7506763551.

It is an arithmetic number, because the mean of its divisors is an integer number (142628506785).

Almost surely, 2^555500500073 is an apocalyptic number.

It is an amenable number.

555500500073 is a deficient number, since it is larger than the sum of its proper divisors (15013527067).

555500500073 is a wasteful number, since it uses less digits than its factorization.

555500500073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15013527066.

The product of its (nonzero) digits is 65625, while the sum is 35.

The spelling of 555500500073 in words is "five hundred fifty-five billion, five hundred million, five hundred thousand, seventy-three".