5550591955 has 16 divisors (see below), whose sum is σ = 6996974400. Its totient is φ = 4218890368.

The previous prime is 5550591941. The next prime is 5550591989. The reversal of 5550591955 is 5591950555.

It is a happy number.

It is not a de Polignac number, because 5550591955 - 2¹¹ = 5550589907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5550591899 and 5550591908.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144832 + ... + 179101.

It is an arithmetic number, because the mean of its divisors is an integer number (437310900).

Almost surely, 2^5550591955 is an apocalyptic number.

5550591955 is a deficient number, since it is larger than the sum of its proper divisors (1446382445).

5550591955 is a wasteful number, since it uses less digits than its factorization.

5550591955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324110.

The product of its (nonzero) digits is 1265625, while the sum is 49.

The square root of 5550591955 is about 74502.2949646519. The cubic root of 5550591955 is about 1770.5699968735.

The spelling of 5550591955 in words is "five billion, five hundred fifty million, five hundred ninety-one thousand, nine hundred fifty-five".