5515659 has 12 divisors (see below), whose sum is σ = 8026200. Its totient is φ = 3649824.

The previous prime is 5515651. The next prime is 5515669. The reversal of 5515659 is 9565155.

5515659 is a `hidden beast` number, since 551 + 56 + 59 = 666.

It is not a de Polignac number, because 5515659 - 2³ = 5515651 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (5515651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 954 + ... + 3455.

It is an arithmetic number, because the mean of its divisors is an integer number (668850).

Almost surely, 2^5515659 is an apocalyptic number.

5515659 is a deficient number, since it is larger than the sum of its proper divisors (2510541).

5515659 is a wasteful number, since it uses less digits than its factorization.

5515659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4554 (or 4551 counting only the distinct ones).

The product of its digits is 33750, while the sum is 36.

The square root of 5515659 is about 2348.5440170455. The cubic root of 5515659 is about 176.6847784129.

The spelling of 5515659 in words is "five million, five hundred fifteen thousand, six hundred fifty-nine".