52236469 has 4 divisors (see below), whose sum is σ = 52251660. Its totient is φ = 52221280.

The previous prime is 52236467. The next prime is 52236521. The reversal of 52236469 is 96463225.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 24621444 + 27615025 = 4962^2 + 5255^2 .

It is a cyclic number.

It is not a de Polignac number, because 52236469 - 2¹ = 52236467 is a prime.

It is a super-2 number, since 2×52236469² = 5457297387175922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52236463) 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, 297 + ... + 10225.

It is an arithmetic number, because the mean of its divisors is an integer number (13062915).

Almost surely, 2^52236469 is an apocalyptic number.

It is an amenable number.

52236469 is a deficient number, since it is larger than the sum of its proper divisors (15191).

52236469 is an equidigital number, since it uses as much as digits as its factorization.

52236469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15190.

The product of its digits is 77760, while the sum is 37.

The square root of 52236469 is about 7227.4801279561. The cubic root of 52236469 is about 373.8160443013.

The spelling of 52236469 in words is "fifty-two million, two hundred thirty-six thousand, four hundred sixty-nine".