52102188 has 18 divisors (see below), whose sum is σ = 131702844. Its totient is φ = 17367384.

The previous prime is 52102187. The next prime is 52102201. The reversal of 52102188 is 88120125.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (52102181) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 723606 + ... + 723677.

Almost surely, 2^52102188 is an apocalyptic number.

It is an amenable number.

52102188 is an abundant number, since it is smaller than the sum of its proper divisors (79600656).

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

52102188 is a wasteful number, since it uses less digits than its factorization.

52102188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447293 (or 1447288 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 52102188 is about 7218.1845362944. The cubic root of 52102188 is about 373.4954543191.

The spelling of 52102188 in words is "fifty-two million, one hundred two thousand, one hundred eighty-eight".