5505559 has 4 divisors (see below), whose sum is σ = 5533704. Its totient is φ = 5477416.

The previous prime is 5505551. The next prime is 5505593. The reversal of 5505559 is 9555055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9555055 = 5 ⋅1911011.

It is a cyclic number.

It is not a de Polignac number, because 5505559 - 2³ = 5505551 is a prime.

It is a super-2 number, since 2×5505559² = 60622359804962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5505551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13777 + ... + 14170.

It is an arithmetic number, because the mean of its divisors is an integer number (1383426).

Almost surely, 2^5505559 is an apocalyptic number.

5505559 is a deficient number, since it is larger than the sum of its proper divisors (28145).

5505559 is a wasteful number, since it uses less digits than its factorization.

5505559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28144.

The product of its (nonzero) digits is 28125, while the sum is 34.

The square root of 5505559 is about 2346.3927633710. The cubic root of 5505559 is about 176.5768670639.

It can be divided in two parts, 550555 and 9, that added together give a square (550564 = 742²).

The spelling of 5505559 in words is "five million, five hundred five thousand, five hundred fifty-nine".