18055053 has 12 divisors (see below), whose sum is σ = 26119548. Its totient is φ = 12018240.

The previous prime is 18055049. The next prime is 18055061. The reversal of 18055053 is 35055081.

It can be written as a sum of positive squares in 2 ways, for example, as 9162729 + 8892324 = 3027^2 + 2982^2 .

It is not a de Polignac number, because 18055053 - 2² = 18055049 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18055013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7363 + ... + 9503.

It is an arithmetic number, because the mean of its divisors is an integer number (2176629).

Almost surely, 2^18055053 is an apocalyptic number.

It is an amenable number.

18055053 is a deficient number, since it is larger than the sum of its proper divisors (8064495).

18055053 is a wasteful number, since it uses less digits than its factorization.

18055053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3084 (or 3081 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 18055053 is about 4249.1237920305. The cubic root of 18055053 is about 262.3410520732.

The spelling of 18055053 in words is "eighteen million, fifty-five thousand, fifty-three".