52552231 has 2 divisors, whose sum is σ = 52552232. Its totient is φ = 52552230.

The previous prime is 52552211. The next prime is 52552243. The reversal of 52552231 is 13225525.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52552231 - 2⁷ = 52552103 is a prime.

It is a super-2 number, since 2×52552231² = 5523473966154722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52552196 and 52552205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52552211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26276115 + 26276116.

It is an arithmetic number, because the mean of its divisors is an integer number (26276116).

Almost surely, 2^52552231 is an apocalyptic number.

52552231 is a deficient number, since it is larger than the sum of its proper divisors (1).

52552231 is an equidigital number, since it uses as much as digits as its factorization.

52552231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3000, while the sum is 25.

The square root of 52552231 is about 7249.2917585099. The cubic root of 52552231 is about 374.5677532179.

Adding to 52552231 its reverse (13225525), we get a palindrome (65777756).

The spelling of 52552231 in words is "fifty-two million, five hundred fifty-two thousand, two hundred thirty-one".