500506855 has 4 divisors (see below), whose sum is σ = 600608232. Its totient is φ = 400405480.

The previous prime is 500506829. The next prime is 500506861. The reversal of 500506855 is 558605005.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 500506855 - 2⁵ = 500506823 is a prime.

It is a super-2 number, since 2×500506855² = 501014223803982050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 500506855.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50050681 + ... + 50050690.

It is an arithmetic number, because the mean of its divisors is an integer number (150152058).

Almost surely, 2^500506855 is an apocalyptic number.

500506855 is a deficient number, since it is larger than the sum of its proper divisors (100101377).

500506855 is a wasteful number, since it uses less digits than its factorization.

500506855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100101376.

The product of its (nonzero) digits is 30000, while the sum is 34.

The square root of 500506855 is about 22372.0105265486. The cubic root of 500506855 is about 793.9686294648.

The spelling of 500506855 in words is "five hundred million, five hundred six thousand, eight hundred fifty-five".