5513943 has 4 divisors (see below), whose sum is σ = 7351928. Its totient is φ = 3675960.

The previous prime is 5513941. The next prime is 5513947. The reversal of 5513943 is 3493155.

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

It is not a de Polignac number, because 5513943 - 2¹ = 5513941 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5513943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5513941) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 918988 + ... + 918993.

It is an arithmetic number, because the mean of its divisors is an integer number (1837982).

Almost surely, 2^5513943 is an apocalyptic number.

5513943 is a deficient number, since it is larger than the sum of its proper divisors (1837985).

5513943 is a wasteful number, since it uses less digits than its factorization.

5513943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837984.

The product of its digits is 8100, while the sum is 30.

The square root of 5513943 is about 2348.1786558948. The cubic root of 5513943 is about 176.6664534628. Note that the first 3 decimals are identical.

The spelling of 5513943 in words is "five million, five hundred thirteen thousand, nine hundred forty-three".