52728188 has 6 divisors (see below), whose sum is σ = 92274336. Its totient is φ = 26364092.

The previous prime is 52728187. The next prime is 52728223. The reversal of 52728188 is 88182725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52728187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6591020 + ... + 6591027.

It is an arithmetic number, because the mean of its divisors is an integer number (15379056).

Almost surely, 2^52728188 is an apocalyptic number.

It is an amenable number.

52728188 is a deficient number, since it is larger than the sum of its proper divisors (39546148).

52728188 is a wasteful number, since it uses less digits than its factorization.

52728188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13182051 (or 13182049 counting only the distinct ones).

The product of its digits is 71680, while the sum is 41.

The square root of 52728188 is about 7261.4177679018. The cubic root of 52728188 is about 374.9853339449.

The spelling of 52728188 in words is "fifty-two million, seven hundred twenty-eight thousand, one hundred eighty-eight".