5549623 has 4 divisors (see below), whose sum is σ = 5678728. Its totient is φ = 5420520.

The previous prime is 5549617. The next prime is 5549657. The reversal of 5549623 is 3269455.

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 5549623 - 2⁵ = 5549591 is a prime.

It is a Duffinian number.

5549623 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5549023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64488 + ... + 64573.

It is an arithmetic number, because the mean of its divisors is an integer number (1419682).

Almost surely, 2^5549623 is an apocalyptic number.

5549623 is a deficient number, since it is larger than the sum of its proper divisors (129105).

5549623 is a wasteful number, since it uses less digits than its factorization.

5549623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129104.

The product of its digits is 32400, while the sum is 34.

The square root of 5549623 is about 2355.7637827253. The cubic root of 5549623 is about 177.0466962668.

The spelling of 5549623 in words is "five million, five hundred forty-nine thousand, six hundred twenty-three".