5515450313 has 2 divisors, whose sum is σ = 5515450314. Its totient is φ = 5515450312.

The previous prime is 5515450309. The next prime is 5515450363. The reversal of 5515450313 is 3130545155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5491995664 + 23454649 = 74108^2 + 4843^2 .

It is a cyclic number.

It is not a de Polignac number, because 5515450313 - 2² = 5515450309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5515450313.

It is not a weakly prime, because it can be changed into another prime (5515450363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2757725156 + 2757725157.

It is an arithmetic number, because the mean of its divisors is an integer number (2757725157).

Almost surely, 2^5515450313 is an apocalyptic number.

It is an amenable number.

5515450313 is a deficient number, since it is larger than the sum of its proper divisors (1).

5515450313 is an equidigital number, since it uses as much as digits as its factorization.

5515450313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22500, while the sum is 32.

The square root of 5515450313 is about 74266.0778081083. The cubic root of 5515450313 is about 1766.8255007347.

Adding to 5515450313 its reverse (3130545155), we get a palindrome (8645995468).

The spelling of 5515450313 in words is "five billion, five hundred fifteen million, four hundred fifty thousand, three hundred thirteen".