52800091 has 4 divisors (see below), whose sum is σ = 52848232. Its totient is φ = 52751952.

The previous prime is 52800089. The next prime is 52800133. The reversal of 52800091 is 19000825.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52800091 - 2¹ = 52800089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52800061) 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, 22386 + ... + 24631.

It is an arithmetic number, because the mean of its divisors is an integer number (13212058).

Almost surely, 2^52800091 is an apocalyptic number.

52800091 is a deficient number, since it is larger than the sum of its proper divisors (48141).

52800091 is a wasteful number, since it uses less digits than its factorization.

52800091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48140.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 52800091 is about 7266.3671115627. The cubic root of 52800091 is about 375.1557065982.

The spelling of 52800091 in words is "fifty-two million, eight hundred thousand, ninety-one".