5550591801 has 4 divisors (see below), whose sum is σ = 7400789072. Its totient is φ = 3700394532.

The previous prime is 5550591797. The next prime is 5550591803. The reversal of 5550591801 is 1081950555.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5550591801 - 2² = 5550591797 is a prime.

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 5550591801.

It is not an unprimeable number, because it can be changed into a prime (5550591803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 925098631 + ... + 925098636.

It is an arithmetic number, because the mean of its divisors is an integer number (1850197268).

Almost surely, 2^5550591801 is an apocalyptic number.

It is an amenable number.

5550591801 is a deficient number, since it is larger than the sum of its proper divisors (1850197271).

5550591801 is a wasteful number, since it uses less digits than its factorization.

5550591801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850197270.

The product of its (nonzero) digits is 45000, while the sum is 39.

The square root of 5550591801 is about 74502.2939311267. The cubic root of 5550591801 is about 1770.5699804988.

The spelling of 5550591801 in words is "five billion, five hundred fifty million, five hundred ninety-one thousand, eight hundred one".