5551004549 has 2 divisors, whose sum is σ = 5551004550. Its totient is φ = 5551004548.

The previous prime is 5551004539. The next prime is 5551004561. The reversal of 5551004549 is 9454001555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5419168225 + 131836324 = 73615^2 + 11482^2 .

It is a cyclic number.

It is not a de Polignac number, because 5551004549 - 2⁴ = 5551004533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5551004539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775502274 + 2775502275.

It is an arithmetic number, because the mean of its divisors is an integer number (2775502275).

Almost surely, 2^5551004549 is an apocalyptic number.

It is an amenable number.

5551004549 is a deficient number, since it is larger than the sum of its proper divisors (1).

5551004549 is an equidigital number, since it uses as much as digits as its factorization.

5551004549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90000, while the sum is 38.

The square root of 5551004549 is about 74505.0639151461. The cubic root of 5551004549 is about 1770.6138665762.

The spelling of 5551004549 in words is "five billion, five hundred fifty-one million, four thousand, five hundred forty-nine".