5515000537 has 2 divisors, whose sum is σ = 5515000538. Its totient is φ = 5515000536.

The previous prime is 5515000531. The next prime is 5515000643. The reversal of 5515000537 is 7350005155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4185960601 + 1329039936 = 64699^2 + 36456^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5515000537 is a prime.

It is a super-2 number, since 2×5515000537² = 60830461846220576738, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5515000499 and 5515000508.

It is not a weakly prime, because it can be changed into another prime (5515000531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2757500268 + 2757500269.

It is an arithmetic number, because the mean of its divisors is an integer number (2757500269).

Almost surely, 2^5515000537 is an apocalyptic number.

It is an amenable number.

5515000537 is a deficient number, since it is larger than the sum of its proper divisors (1).

5515000537 is an equidigital number, since it uses as much as digits as its factorization.

5515000537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13125, while the sum is 31.

The square root of 5515000537 is about 74263.0496074596. The cubic root of 5515000537 is about 1766.7774721807. Note that the first 3 decimals are identical.

The spelling of 5515000537 in words is "five billion, five hundred fifteen million, five hundred thirty-seven", and thus it is an aban number.