5551493228889 has 4 divisors (see below), whose sum is σ = 7401990971856. Its totient is φ = 3700995485924.

The previous prime is 5551493228863. The next prime is 5551493228903. The reversal of 5551493228889 is 9888223941555.

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 a cyclic number.

It is not a de Polignac number, because 5551493228889 - 2¹¹ = 5551493226841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5551493228789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 925248871479 + ... + 925248871484.

It is an arithmetic number, because the mean of its divisors is an integer number (1850497742964).

Almost surely, 2^{5551493228889} is an apocalyptic number.

It is an amenable number.

5551493228889 is a deficient number, since it is larger than the sum of its proper divisors (1850497742967).

5551493228889 is a wasteful number, since it uses less digits than its factorization.

5551493228889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850497742966.

The product of its digits is 248832000, while the sum is 69.

The spelling of 5551493228889 in words is "five trillion, five hundred fifty-one billion, four hundred ninety-three million, two hundred twenty-eight thousand, eight hundred eighty-nine".