5515579 has 2 divisors, whose sum is σ = 5515580. Its totient is φ = 5515578.

The previous prime is 5515541. The next prime is 5515589. The reversal of 5515579 is 9755155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5515579 - 2⁷ = 5515451 is a prime.

It is a super-2 number, since 2×5515579² = 60843223410482, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5515589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2757789 + 2757790.

It is an arithmetic number, because the mean of its divisors is an integer number (2757790).

Almost surely, 2^5515579 is an apocalyptic number.

5515579 is a deficient number, since it is larger than the sum of its proper divisors (1).

5515579 is an equidigital number, since it uses as much as digits as its factorization.

5515579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39375, while the sum is 37.

The square root of 5515579 is about 2348.5269851547. The cubic root of 5515579 is about 176.6839241873.

The spelling of 5515579 in words is "five million, five hundred fifteen thousand, five hundred seventy-nine".