18049552 has 20 divisors (see below), whose sum is σ = 35082576. Its totient is φ = 8996000.

The previous prime is 18049543. The next prime is 18049561. The reversal of 18049552 is 25594081.

It is an interprime number because it is at equal distance from previous prime (18049543) and next prime (18049561).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3927 + ... + 7177.

Almost surely, 2^18049552 is an apocalyptic number.

It is an amenable number.

18049552 is a deficient number, since it is larger than the sum of its proper divisors (17033024).

18049552 is a wasteful number, since it uses less digits than its factorization.

18049552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3606 (or 3600 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 18049552 is about 4248.4764327933. The cubic root of 18049552 is about 262.3144060753.

The spelling of 18049552 in words is "eighteen million, forty-nine thousand, five hundred fifty-two".