500550500551 has 16 divisors (see below), whose sum is σ = 518989680000. Its totient is φ = 482455730848.

The previous prime is 500550500539. The next prime is 500550500579. The reversal of 500550500551 is 155005055005.

It is a cyclic number.

It is not a de Polignac number, because 500550500551 - 2¹⁵ = 500550467783 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 (500550500521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4633980 + ... + 4740766.

It is an arithmetic number, because the mean of its divisors is an integer number (32436855000).

Almost surely, 2^500550500551 is an apocalyptic number.

500550500551 is a deficient number, since it is larger than the sum of its proper divisors (18439179449).

500550500551 is a wasteful number, since it uses less digits than its factorization.

500550500551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108398.

The product of its (nonzero) digits is 15625, while the sum is 31.

Adding to 500550500551 its reverse (155005055005), we get a palindrome (655555555556).

The spelling of 500550500551 in words is "five hundred billion, five hundred fifty million, five hundred thousand, five hundred fifty-one".