500055555551 has 8 divisors (see below), whose sum is σ = 517306882320. Its totient is φ = 482804764288.

The previous prime is 500055555533. The next prime is 500055555589. The reversal of 500055555551 is 155555550005.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 500055555551 - 2³⁴ = 482875686367 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 500055555499 and 500055555508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500055555521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3048215 + ... + 3208071.

It is an arithmetic number, because the mean of its divisors is an integer number (64663360290).

Almost surely, 2^500055555551 is an apocalyptic number.

500055555551 is a deficient number, since it is larger than the sum of its proper divisors (17251326769).

500055555551 is a wasteful number, since it uses less digits than its factorization.

500055555551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267753.

The product of its (nonzero) digits is 390625, while the sum is 41.

The spelling of 500055555551 in words is "five hundred billion, fifty-five million, five hundred fifty-five thousand, five hundred fifty-one".