5554451509 has 2 divisors, whose sum is σ = 5554451510. Its totient is φ = 5554451508.

The previous prime is 5554451503. The next prime is 5554451557. The reversal of 5554451509 is 9051544555.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4985772100 + 568679409 = 70610^2 + 23847^2 .

It is a cyclic number.

It is not a de Polignac number, because 5554451509 - 2⁵ = 5554451477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5554451503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2777225754 + 2777225755.

It is an arithmetic number, because the mean of its divisors is an integer number (2777225755).

Almost surely, 2^5554451509 is an apocalyptic number.

It is an amenable number.

5554451509 is a deficient number, since it is larger than the sum of its proper divisors (1).

5554451509 is an equidigital number, since it uses as much as digits as its factorization.

5554451509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450000, while the sum is 43.

The square root of 5554451509 is about 74528.1927125568. The cubic root of 5554451509 is about 1770.9802850784.

The spelling of 5554451509 in words is "five billion, five hundred fifty-four million, four hundred fifty-one thousand, five hundred nine".