5523989 has 4 divisors (see below), whose sum is σ = 5673324. Its totient is φ = 5374656.

The previous prime is 5523967. The next prime is 5524027. The reversal of 5523989 is 9893255.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4695889 + 828100 = 2167^2 + 910^2 .

It is a cyclic number.

It is not a de Polignac number, because 5523989 - 2¹² = 5519893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5523919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74612 + ... + 74685.

It is an arithmetic number, because the mean of its divisors is an integer number (1418331).

Almost surely, 2^5523989 is an apocalyptic number.

It is an amenable number.

5523989 is a deficient number, since it is larger than the sum of its proper divisors (149335).

5523989 is a wasteful number, since it uses less digits than its factorization.

5523989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149334.

The product of its digits is 97200, while the sum is 41.

The square root of 5523989 is about 2350.3167871587. The cubic root of 5523989 is about 176.7736794796.

The spelling of 5523989 in words is "five million, five hundred twenty-three thousand, nine hundred eighty-nine".