52133988 has 12 divisors (see below), whose sum is σ = 121646000. Its totient is φ = 17377992.

The previous prime is 52133987. The next prime is 52133989. The reversal of 52133988 is 88933125.

It is an interprime number because it is at equal distance from previous prime (52133987) and next prime (52133989).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (52133981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2172238 + ... + 2172261.

Almost surely, 2^52133988 is an apocalyptic number.

It is an amenable number.

52133988 is an abundant number, since it is smaller than the sum of its proper divisors (69512012).

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

52133988 is a wasteful number, since it uses less digits than its factorization.

52133988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4344506 (or 4344504 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 52133988 is about 7220.3869702392. The cubic root of 52133988 is about 373.5714251523.

The spelling of 52133988 in words is "fifty-two million, one hundred thirty-three thousand, nine hundred eighty-eight".