550550050506 has 36 divisors (see below), whose sum is σ = 1215789973398. Its totient is φ = 180054088032.

The previous prime is 550550050489. The next prime is 550550050517. The reversal of 550550050506 is 605050055055.

550550050506 is a `hidden beast` number, since 5 + 5 + 0 + 550 + 0 + 50 + 50 + 6 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 437760873225 + 112789177281 = 661635^2 + 335841^2 .

It is a super-2 number, since 2×550550050506² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5393745 + ... + 5494868.

Almost surely, 2^550550050506 is an apocalyptic number.

550550050506 is an abundant number, since it is smaller than the sum of its proper divisors (665239922892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550550050506 is a wasteful number, since it uses less digits than its factorization.

550550050506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10888727 (or 10888671 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 36.

The spelling of 550550050506 in words is "five hundred fifty billion, five hundred fifty million, fifty thousand, five hundred six".