52540233 has 4 divisors (see below), whose sum is σ = 70053648. Its totient is φ = 35026820.

The previous prime is 52540177. The next prime is 52540237. The reversal of 52540233 is 33204525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52540233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52540237) 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, 8756703 + ... + 8756708.

It is an arithmetic number, because the mean of its divisors is an integer number (17513412).

Almost surely, 2^52540233 is an apocalyptic number.

It is an amenable number.

52540233 is a deficient number, since it is larger than the sum of its proper divisors (17513415).

52540233 is a wasteful number, since it uses less digits than its factorization.

52540233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17513414.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 52540233 is about 7248.4641821561. The cubic root of 52540233 is about 374.5392456686.

Adding to 52540233 its reverse (33204525), we get a palindrome (85744758).

The spelling of 52540233 in words is "fifty-two million, five hundred forty thousand, two hundred thirty-three".