5155555579 has 2 divisors, whose sum is σ = 5155555580. Its totient is φ = 5155555578.

The previous prime is 5155555553. The next prime is 5155555621. The reversal of 5155555579 is 9755555515.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5155555579 - 2¹⁵ = 5155522811 is a prime.

It is not a weakly prime, because it can be changed into another prime (5155555679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2577777789 + 2577777790.

It is an arithmetic number, because the mean of its divisors is an integer number (2577777790).

Almost surely, 2^5155555579 is an apocalyptic number.

5155555579 is a deficient number, since it is larger than the sum of its proper divisors (1).

5155555579 is an equidigital number, since it uses as much as digits as its factorization.

5155555579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4921875, while the sum is 52.

The square root of 5155555579 is about 71802.1975917172. The cubic root of 5155555579 is about 1727.5282485783.

The spelling of 5155555579 in words is "five billion, one hundred fifty-five million, five hundred fifty-five thousand, five hundred seventy-nine".