18552043 has 8 divisors (see below), whose sum is σ = 19215360. Its totient is φ = 17892840.

The previous prime is 18552041. The next prime is 18552047. The reversal of 18552043 is 34025581.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18552043 - 2¹ = 18552041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18552041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10296 + ... + 11962.

It is an arithmetic number, because the mean of its divisors is an integer number (2401920).

Almost surely, 2^18552043 is an apocalyptic number.

18552043 is a deficient number, since it is larger than the sum of its proper divisors (663317).

18552043 is a wasteful number, since it uses less digits than its factorization.

18552043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 18552043 is about 4307.2082605790. The cubic root of 18552043 is about 264.7263961434.

The spelling of 18552043 in words is "eighteen million, five hundred fifty-two thousand, forty-three".