5519971 has 4 divisors (see below), whose sum is σ = 5546344. Its totient is φ = 5493600.

The previous prime is 5519933. The next prime is 5519989. The reversal of 5519971 is 1799155.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5519971 - 2¹⁷ = 5388899 is a prime.

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 5519971.

It is not an unprimeable number, because it can be changed into a prime (5510971) 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, 12870 + ... + 13291.

It is an arithmetic number, because the mean of its divisors is an integer number (1386586).

Almost surely, 2^5519971 is an apocalyptic number.

5519971 is a deficient number, since it is larger than the sum of its proper divisors (26373).

5519971 is a wasteful number, since it uses less digits than its factorization.

5519971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26372.

The product of its digits is 14175, while the sum is 37.

The square root of 5519971 is about 2349.4618532762. The cubic root of 5519971 is about 176.7308089546.

The spelling of 5519971 in words is "five million, five hundred nineteen thousand, nine hundred seventy-one".