5515975 has 24 divisors (see below), whose sum is σ = 7312032. Its totient is φ = 4118400.

The previous prime is 5515963. The next prime is 5515981. The reversal of 5515975 is 5795155.

It is not a de Polignac number, because 5515975 - 2⁵ = 5515943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30385 + ... + 30565.

It is an arithmetic number, because the mean of its divisors is an integer number (304668).

Almost surely, 2^5515975 is an apocalyptic number.

5515975 is a deficient number, since it is larger than the sum of its proper divisors (1796057).

5515975 is a wasteful number, since it uses less digits than its factorization.

5515975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267 (or 262 counting only the distinct ones).

The product of its digits is 39375, while the sum is 37.

The square root of 5515975 is about 2348.6112918063. The cubic root of 5515975 is about 176.6881525231.

The spelling of 5515975 in words is "five million, five hundred fifteen thousand, nine hundred seventy-five".