5518494 has 24 divisors (see below), whose sum is σ = 12021672. Its totient is φ = 1829520.

The previous prime is 5518463. The next prime is 5518501. The reversal of 5518494 is 4948155.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3072 + ... + 4524.

It is an arithmetic number, because the mean of its divisors is an integer number (500903).

Almost surely, 2^5518494 is an apocalyptic number.

5518494 is an abundant number, since it is smaller than the sum of its proper divisors (6503178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5518494 is a wasteful number, since it uses less digits than its factorization.

5518494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672 (or 1669 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 5518494 is about 2349.1475049473. The cubic root of 5518494 is about 176.7150446997.

It can be divided in two parts, 55184 and 94, that added together give a triangular number (55278 = T₃₃₂).

The spelling of 5518494 in words is "five million, five hundred eighteen thousand, four hundred ninety-four".