5519923 has 4 divisors (see below), whose sum is σ = 5526360. Its totient is φ = 5513488.

The previous prime is 5519909. The next prime is 5519933. The reversal of 5519923 is 3299155.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3299155 = 5 ⋅659831.

It is a cyclic number.

It is not a de Polignac number, because 5519923 - 2¹³ = 5511731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5519903) 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, 1690 + ... + 3727.

It is an arithmetic number, because the mean of its divisors is an integer number (1381590).

Almost surely, 2^5519923 is an apocalyptic number.

5519923 is a deficient number, since it is larger than the sum of its proper divisors (6437).

5519923 is a wasteful number, since it uses less digits than its factorization.

5519923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6436.

The product of its digits is 12150, while the sum is 34.

The square root of 5519923 is about 2349.4516381488. The cubic root of 5519923 is about 176.7302966872.

The spelling of 5519923 in words is "five million, five hundred nineteen thousand, nine hundred twenty-three".