5550551559 has 24 divisors (see below), whose sum is σ = 9410462880. Its totient is φ = 3086019648.

The previous prime is 5550551543. The next prime is 5550551579. The reversal of 5550551559 is 9551550555.

It is not a de Polignac number, because 5550551559 - 2⁴ = 5550551543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5550551509) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1188264 + ... + 1192925.

It is an arithmetic number, because the mean of its divisors is an integer number (392102620).

Almost surely, 2^5550551559 is an apocalyptic number.

5550551559 is a deficient number, since it is larger than the sum of its proper divisors (3859911321).

5550551559 is a wasteful number, since it uses less digits than its factorization.

5550551559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381239 (or 2381236 counting only the distinct ones).

The product of its (nonzero) digits is 703125, while the sum is 45.

The square root of 5550551559 is about 74502.0238584161. The cubic root of 5550551559 is about 1770.5657015887.

The spelling of 5550551559 in words is "five billion, five hundred fifty million, five hundred fifty-one thousand, five hundred fifty-nine".