5515505 has 4 divisors (see below), whose sum is σ = 6618612. Its totient is φ = 4412400.

The previous prime is 5515501. The next prime is 5515513. The reversal of 5515505 is 5055155.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2096704 + 3418801 = 1448^2 + 1849^2 .

It is not a de Polignac number, because 5515505 - 2² = 5515501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5515501) 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, 551546 + ... + 551555.

It is an arithmetic number, because the mean of its divisors is an integer number (1654653).

Almost surely, 2^5515505 is an apocalyptic number.

It is an amenable number.

5515505 is a deficient number, since it is larger than the sum of its proper divisors (1103107).

5515505 is a wasteful number, since it uses less digits than its factorization.

5515505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103106.

The product of its (nonzero) digits is 3125, while the sum is 26.

The square root of 5515505 is about 2348.5112305459. The cubic root of 5515505 is about 176.6831340214.

The spelling of 5515505 in words is "five million, five hundred fifteen thousand, five hundred five".