18563052 has 48 divisors (see below), whose sum is σ = 44593920. Its totient is φ = 6007872.

The previous prime is 18563023. The next prime is 18563053. The reversal of 18563052 is 25036581.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (18563053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111073 + ... + 111239.

It is an arithmetic number, because the mean of its divisors is an integer number (929040).

Almost surely, 2^18563052 is an apocalyptic number.

18563052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18563052 is an abundant number, since it is smaller than the sum of its proper divisors (26030868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18563052 is a wasteful number, since it uses less digits than its factorization.

18563052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 388 counting only the distinct ones).

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

The square root of 18563052 is about 4308.4860450047. The cubic root of 18563052 is about 264.7787497056.

The spelling of 18563052 in words is "eighteen million, five hundred sixty-three thousand, fifty-two".