5513985 has 12 divisors (see below), whose sum is σ = 9557652. Its totient is φ = 2940768.

The previous prime is 5513953. The next prime is 5513987. The reversal of 5513985 is 5893155.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1640961 + 3873024 = 1281^2 + 1968^2 .

It is not a de Polignac number, because 5513985 - 2⁵ = 5513953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5513987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61222 + ... + 61311.

It is an arithmetic number, because the mean of its divisors is an integer number (796471).

Almost surely, 2^5513985 is an apocalyptic number.

It is an amenable number.

5513985 is a deficient number, since it is larger than the sum of its proper divisors (4043667).

5513985 is a wasteful number, since it uses less digits than its factorization.

5513985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122544 (or 122541 counting only the distinct ones).

The product of its digits is 27000, while the sum is 36.

The square root of 5513985 is about 2348.1875989793. The cubic root of 5513985 is about 176.6669020210. Note that the first 3 decimals are identical.

The spelling of 5513985 in words is "five million, five hundred thirteen thousand, nine hundred eighty-five".