500055511551 has 16 divisors (see below), whose sum is σ = 667139650944. Its totient is φ = 333170928864.

The previous prime is 500055511541. The next prime is 500055511567. The reversal of 500055511551 is 155115550005.

It is not a de Polignac number, because 500055511551 - 2³⁵ = 465695773183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500055511511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54426180 + ... + 54435366.

It is an arithmetic number, because the mean of its divisors is an integer number (41696228184).

Almost surely, 2^500055511551 is an apocalyptic number.

500055511551 is a deficient number, since it is larger than the sum of its proper divisors (167084139393).

500055511551 is a wasteful number, since it uses less digits than its factorization.

500055511551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18070.

The product of its (nonzero) digits is 15625, while the sum is 33.

The spelling of 500055511551 in words is "five hundred billion, fifty-five million, five hundred eleven thousand, five hundred fifty-one".