5515723937 has 2 divisors, whose sum is σ = 5515723938. Its totient is φ = 5515723936.

The previous prime is 5515723931. The next prime is 5515723951. The reversal of 5515723937 is 7393275155.

5515723937 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5053645921 + 462078016 = 71089^2 + 21496^2 .

It is a cyclic number.

It is not a de Polignac number, because 5515723937 - 2²⁴ = 5498946721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5515723891 and 5515723900.

It is not a weakly prime, because it can be changed into another prime (5515723931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2757861968 + 2757861969.

It is an arithmetic number, because the mean of its divisors is an integer number (2757861969).

Almost surely, 2^5515723937 is an apocalyptic number.

It is an amenable number.

5515723937 is a deficient number, since it is larger than the sum of its proper divisors (1).

5515723937 is an equidigital number, since it uses as much as digits as its factorization.

5515723937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 992250, while the sum is 47.

The square root of 5515723937 is about 74267.9199722195. The cubic root of 5515723937 is about 1766.8547179239.

The spelling of 5515723937 in words is "five billion, five hundred fifteen million, seven hundred twenty-three thousand, nine hundred thirty-seven".