5518023 has 16 divisors (see below), whose sum is σ = 8478720. Its totient is φ = 3126816.

The previous prime is 5518021. The next prime is 5518043. The reversal of 5518023 is 3208155.

It is not a de Polignac number, because 5518023 - 2¹ = 5518021 is a prime.

5518023 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5517984 and 5518002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5518021) 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 15 ways as a sum of consecutive naturals, for example, 1633 + ... + 3701.

It is an arithmetic number, because the mean of its divisors is an integer number (529920).

Almost surely, 2^5518023 is an apocalyptic number.

5518023 is a deficient number, since it is larger than the sum of its proper divisors (2960697).

5518023 is a wasteful number, since it uses less digits than its factorization.

5518023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 5518023 is about 2349.0472536754. The cubic root of 5518023 is about 176.7100170506.

The spelling of 5518023 in words is "five million, five hundred eighteen thousand, twenty-three".