52089138 has 48 divisors (see below), whose sum is σ = 115315200. Its totient is φ = 16990560.

The previous prime is 52089131. The next prime is 52089143. The reversal of 52089138 is 83198025.

It is not an unprimeable number, because it can be changed into a prime (52089131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 272623 + ... + 272813.

It is an arithmetic number, because the mean of its divisors is an integer number (2402400).

Almost surely, 2^52089138 is an apocalyptic number.

52089138 is an abundant number, since it is smaller than the sum of its proper divisors (63226062).

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

52089138 is a wasteful number, since it uses less digits than its factorization.

52089138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 52089138 is about 7217.2805127693. The cubic root of 52089138 is about 373.4642686635.

The spelling of 52089138 in words is "fifty-two million, eighty-nine thousand, one hundred thirty-eight".