18506054 has 16 divisors (see below), whose sum is σ = 31781376. Its totient is φ = 7917000.

The previous prime is 18506029. The next prime is 18506071. The reversal of 18506054 is 45060581.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12029 + ... + 13479.

It is an arithmetic number, because the mean of its divisors is an integer number (1986336).

Almost surely, 2^18506054 is an apocalyptic number.

18506054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18506054 is a deficient number, since it is larger than the sum of its proper divisors (13275322).

18506054 is a wasteful number, since it uses less digits than its factorization.

18506054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2371.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 18506054 is about 4301.8663391602. The cubic root of 18506054 is about 264.5074701025.

The spelling of 18506054 in words is "eighteen million, five hundred six thousand, fifty-four".