52638180 has 48 divisors (see below), whose sum is σ = 168443520. Its totient is φ = 12031488.

The previous prime is 52638143. The next prime is 52638197. The reversal of 52638180 is 8183625.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62245 + ... + 63084.

It is an arithmetic number, because the mean of its divisors is an integer number (3509240).

Almost surely, 2^52638180 is an apocalyptic number.

It is an amenable number.

52638180 is an abundant number, since it is smaller than the sum of its proper divisors (115805340).

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

52638180 is a wasteful number, since it uses less digits than its factorization.

52638180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125348 (or 125346 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 52638180 is about 7255.2174329926. The cubic root of 52638180 is about 374.7718434359.

The spelling of 52638180 in words is "fifty-two million, six hundred thirty-eight thousand, one hundred eighty".