18256053 has 8 divisors (see below), whose sum is σ = 24582816. Its totient is φ = 12050000.

The previous prime is 18256027. The next prime is 18256057. The reversal of 18256053 is 35065281.

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 18256053 - 2⁶ = 18255989 is a prime.

It is a super-2 number, since 2×18256053² = 666566942277618, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18256053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18256057) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 29823 + ... + 30428.

It is an arithmetic number, because the mean of its divisors is an integer number (3072852).

Almost surely, 2^18256053 is an apocalyptic number.

It is an amenable number.

18256053 is a deficient number, since it is larger than the sum of its proper divisors (6326763).

18256053 is a wasteful number, since it uses less digits than its factorization.

18256053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60355.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 18256053 is about 4272.7102639894. The cubic root of 18256053 is about 263.3109758654.

The spelling of 18256053 in words is "eighteen million, two hundred fifty-six thousand, fifty-three".