5520905 has 16 divisors (see below), whose sum is σ = 7193424. Its totient is φ = 4043520.

The previous prime is 5520901. The next prime is 5520913. The reversal of 5520905 is 5090255.

It can be written as a sum of positive squares in 8 ways, for example, as 937024 + 4583881 = 968^2 + 2141^2 .

It is not a de Polignac number, because 5520905 - 2² = 5520901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5520901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9935 + ... + 10475.

It is an arithmetic number, because the mean of its divisors is an integer number (449589).

Almost surely, 2^5520905 is an apocalyptic number.

It is an amenable number.

5520905 is a deficient number, since it is larger than the sum of its proper divisors (1672519).

5520905 is a wasteful number, since it uses less digits than its factorization.

5520905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 5520905 is about 2349.6606137909. The cubic root of 5520905 is about 176.7407762332.

The spelling of 5520905 in words is "five million, five hundred twenty thousand, nine hundred five".