5550612491 has 2 divisors, whose sum is σ = 5550612492. Its totient is φ = 5550612490.

The previous prime is 5550612479. The next prime is 5550612493. The reversal of 5550612491 is 1942160555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5550612491 - 2³⁰ = 4476870667 is a prime.

It is a Sophie Germain prime.

Together with 5550612493, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5550612493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775306245 + 2775306246.

It is an arithmetic number, because the mean of its divisors is an integer number (2775306246).

Almost surely, 2^5550612491 is an apocalyptic number.

5550612491 is a deficient number, since it is larger than the sum of its proper divisors (1).

5550612491 is an equidigital number, since it uses as much as digits as its factorization.

5550612491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 38.

The square root of 5550612491 is about 74502.4327857822. The cubic root of 5550612491 is about 1770.5721804472.

The spelling of 5550612491 in words is "five billion, five hundred fifty million, six hundred twelve thousand, four hundred ninety-one".