5550045551 has 2 divisors, whose sum is σ = 5550045552. Its totient is φ = 5550045550.

The previous prime is 5550045499. The next prime is 5550045569. The reversal of 5550045551 is 1555400555.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5550045551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5550045451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775022775 + 2775022776.

It is an arithmetic number, because the mean of its divisors is an integer number (2775022776).

Almost surely, 2^5550045551 is an apocalyptic number.

5550045551 is a deficient number, since it is larger than the sum of its proper divisors (1).

5550045551 is an equidigital number, since it uses as much as digits as its factorization.

5550045551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62500, while the sum is 35.

The square root of 5550045551 is about 74498.6278464241. The cubic root of 5550045551 is about 1770.5118962671.

The spelling of 5550045551 in words is "five billion, five hundred fifty million, forty-five thousand, five hundred fifty-one".