52166532 has 24 divisors (see below), whose sum is σ = 132787872. Its totient is φ = 15808000.

The previous prime is 52166519. The next prime is 52166537. The reversal of 52166532 is 23566125.

It is a self number, because there is not a number n which added to its sum of digits gives 52166532.

It is not an unprimeable number, because it can be changed into a prime (52166537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197469 + ... + 197732.

It is an arithmetic number, because the mean of its divisors is an integer number (5532828).

Almost surely, 2^52166532 is an apocalyptic number.

It is an amenable number.

52166532 is an abundant number, since it is smaller than the sum of its proper divisors (80621340).

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

52166532 is a wasteful number, since it uses less digits than its factorization.

52166532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395219 (or 395217 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 52166532 is about 7222.6402374755. The cubic root of 52166532 is about 373.6491414373.

The spelling of 52166532 in words is "fifty-two million, one hundred sixty-six thousand, five hundred thirty-two".