18355054 has 4 divisors (see below), whose sum is σ = 27532584. Its totient is φ = 9177526.

The previous prime is 18355039. The next prime is 18355061. The reversal of 18355054 is 45055381.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 4588762 + ... + 4588765.

It is an arithmetic number, because the mean of its divisors is an integer number (6883146).

Almost surely, 2^18355054 is an apocalyptic number.

18355054 is a deficient number, since it is larger than the sum of its proper divisors (9177530).

18355054 is an equidigital number, since it uses as much as digits as its factorization.

18355054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9177529.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 18355054 is about 4284.2798694763. The cubic root of 18355054 is about 263.7860889650.

It can be divided in two parts, 1835 and 5054, that added together give a square (6889 = 83²).

The spelling of 18355054 in words is "eighteen million, three hundred fifty-five thousand, fifty-four".