5515775939 has 2 divisors, whose sum is σ = 5515775940. Its totient is φ = 5515775938.

The previous prime is 5515775929. The next prime is 5515776037. The reversal of 5515775939 is 9395775155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5515775939 - 2¹² = 5515771843 is a prime.

It is not a weakly prime, because it can be changed into another prime (5515775929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2757887969 + 2757887970.

It is an arithmetic number, because the mean of its divisors is an integer number (2757887970).

Almost surely, 2^5515775939 is an apocalyptic number.

5515775939 is a deficient number, since it is larger than the sum of its proper divisors (1).

5515775939 is an equidigital number, since it uses as much as digits as its factorization.

5515775939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7441875, while the sum is 56.

The square root of 5515775939 is about 74268.2700687178. The cubic root of 5515775939 is about 1766.8602705157.

The spelling of 5515775939 in words is "five billion, five hundred fifteen million, seven hundred seventy-five thousand, nine hundred thirty-nine".