5513481 has 16 divisors (see below), whose sum is σ = 8390400. Its totient is φ = 3575664.

The previous prime is 5513449. The next prime is 5513513. The reversal of 5513481 is 1843155.

5513481 is a `hidden beast` number, since 551 + 34 + 81 = 666.

It is an interprime number because it is at equal distance from previous prime (5513449) and next prime (5513513).

It is not a de Polignac number, because 5513481 - 2⁵ = 5513449 is a prime.

It is a super-2 number, since 2×5513481² = 60796945474722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (5513681) 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 15 ways as a sum of consecutive naturals, for example, 1761 + ... + 3758.

It is an arithmetic number, because the mean of its divisors is an integer number (524400).

Almost surely, 2^5513481 is an apocalyptic number.

It is an amenable number.

5513481 is a deficient number, since it is larger than the sum of its proper divisors (2876919).

5513481 is a wasteful number, since it uses less digits than its factorization.

5513481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5565 (or 5559 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 5513481 is about 2348.0802797179. The cubic root of 5513481 is about 176.6615191728.

The spelling of 5513481 in words is "five million, five hundred thirteen thousand, four hundred eighty-one".