5518859 has 2 divisors, whose sum is σ = 5518860. Its totient is φ = 5518858.

The previous prime is 5518847. The next prime is 5518913. The reversal of 5518859 is 9588155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5518859 - 2¹² = 5514763 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5518819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2759429 + 2759430.

It is an arithmetic number, because the mean of its divisors is an integer number (2759430).

Almost surely, 2^5518859 is an apocalyptic number.

5518859 is a deficient number, since it is larger than the sum of its proper divisors (1).

5518859 is an equidigital number, since it uses as much as digits as its factorization.

5518859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72000, while the sum is 41.

The square root of 5518859 is about 2349.2251914195. The cubic root of 5518859 is about 176.7189406642.

The spelling of 5518859 in words is "five million, five hundred eighteen thousand, eight hundred fifty-nine".