5550555511 has 8 divisors (see below), whose sum is σ = 5639155200. Its totient is φ = 5462295552.

The previous prime is 5550555499. The next prime is 5550555547. The reversal of 5550555511 is 1155550555.

5550555511 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5550555511 - 2²¹ = 5548458359 is a prime.

It is a super-2 number, since 2×5550555511² = 61617332961384942242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5550555581) 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, 51895 + ... + 117448.

It is an arithmetic number, because the mean of its divisors is an integer number (704894400).

Almost surely, 2^5550555511 is an apocalyptic number.

5550555511 is a deficient number, since it is larger than the sum of its proper divisors (88599689).

5550555511 is a wasteful number, since it uses less digits than its factorization.

5550555511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169865.

The product of its (nonzero) digits is 78125, while the sum is 37.

The square root of 5550555511 is about 74502.0503811808. The cubic root of 5550555511 is about 1770.5661218037.

The spelling of 5550555511 in words is "five billion, five hundred fifty million, five hundred fifty-five thousand, five hundred eleven".