5051551553 has 2 divisors, whose sum is σ = 5051551554. Its totient is φ = 5051551552.

The previous prime is 5051551511. The next prime is 5051551573. The reversal of 5051551553 is 3551551505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3974924209 + 1076627344 = 63047^2 + 32812^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5051551553 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5051551573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2525775776 + 2525775777.

It is an arithmetic number, because the mean of its divisors is an integer number (2525775777).

Almost surely, 2^5051551553 is an apocalyptic number.

It is an amenable number.

5051551553 is a deficient number, since it is larger than the sum of its proper divisors (1).

5051551553 is an equidigital number, since it uses as much as digits as its factorization.

5051551553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46875, while the sum is 35.

The square root of 5051551553 is about 71074.2678681954. The cubic root of 5051551553 is about 1715.8326587605.

The spelling of 5051551553 in words is "five billion, fifty-one million, five hundred fifty-one thousand, five hundred fifty-three".