5518454 has 4 divisors (see below), whose sum is σ = 8277684. Its totient is φ = 2759226.

The previous prime is 5518453. The next prime is 5518463. The reversal of 5518454 is 4548155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4548155 = 5 ⋅909631.

It is a self number, because there is not a number n which added to its sum of digits gives 5518454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5518453) 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 as a sum of consecutive naturals, namely, 1379612 + ... + 1379615.

It is an arithmetic number, because the mean of its divisors is an integer number (2069421).

Almost surely, 2^5518454 is an apocalyptic number.

5518454 is a deficient number, since it is larger than the sum of its proper divisors (2759230).

5518454 is a wasteful number, since it uses less digits than its factorization.

5518454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2759229.

The product of its digits is 16000, while the sum is 32.

The square root of 5518454 is about 2349.1389912051. The cubic root of 5518454 is about 176.7146177343.

Subtracting from 5518454 its reverse (4548155), we obtain a cube (970299 = 99³).

The spelling of 5518454 in words is "five million, five hundred eighteen thousand, four hundred fifty-four".