52235909 has 4 divisors (see below), whose sum is σ = 56984640. Its totient is φ = 47487180.

The previous prime is 52235903. The next prime is 52235923. The reversal of 52235909 is 90953225.

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 not a de Polignac number, because 52235909 - 2⁴ = 52235893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52235903) 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, 2374349 + ... + 2374370.

It is an arithmetic number, because the mean of its divisors is an integer number (14246160).

Almost surely, 2^52235909 is an apocalyptic number.

It is an amenable number.

52235909 is a deficient number, since it is larger than the sum of its proper divisors (4748731).

52235909 is a wasteful number, since it uses less digits than its factorization.

52235909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4748730.

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 52235909 is about 7227.4413868256. The cubic root of 52235909 is about 373.8147084675.

The spelling of 52235909 in words is "fifty-two million, two hundred thirty-five thousand, nine hundred nine".