5554444551 has 16 divisors (see below), whose sum is σ = 7656480768. Its totient is φ = 3579012000.

The previous prime is 5554444531. The next prime is 5554444603. The reversal of 5554444551 is 1554444555.

It is a happy number.

It is not a de Polignac number, because 5554444551 - 2¹⁸ = 5554182407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5554444531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148935 + ... + 182456.

It is an arithmetic number, because the mean of its divisors is an integer number (478530048).

Almost surely, 2^5554444551 is an apocalyptic number.

5554444551 is a deficient number, since it is larger than the sum of its proper divisors (2102036217).

5554444551 is a wasteful number, since it uses less digits than its factorization.

5554444551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331582.

The product of its digits is 800000, while the sum is 42.

The square root of 5554444551 is about 74528.1460322206. The cubic root of 5554444551 is about 1770.9795455823.

The spelling of 5554444551 in words is "five billion, five hundred fifty-four million, four hundred forty-four thousand, five hundred fifty-one".