5514900991 has 2 divisors, whose sum is σ = 5514900992. Its totient is φ = 5514900990.

The previous prime is 5514900983. The next prime is 5514901001. The reversal of 5514900991 is 1990094155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5514900991 - 2³ = 5514900983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5514900191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2757450495 + 2757450496.

It is an arithmetic number, because the mean of its divisors is an integer number (2757450496).

Almost surely, 2^5514900991 is an apocalyptic number.

5514900991 is a deficient number, since it is larger than the sum of its proper divisors (1).

5514900991 is an equidigital number, since it uses as much as digits as its factorization.

5514900991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72900, while the sum is 43.

The square root of 5514900991 is about 74262.3793787945. The cubic root of 5514900991 is about 1766.7668419799.

The spelling of 5514900991 in words is "five billion, five hundred fourteen million, nine hundred thousand, nine hundred ninety-one".