52432447 has 2 divisors, whose sum is σ = 52432448. Its totient is φ = 52432446.

The previous prime is 52432421. The next prime is 52432453. The reversal of 52432447 is 74423425.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52432447 is a prime.

It is a super-2 number, since 2×52432447² = 5498322996815618, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52432487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26216223 + 26216224.

It is an arithmetic number, because the mean of its divisors is an integer number (26216224).

Almost surely, 2^52432447 is an apocalyptic number.

52432447 is a deficient number, since it is larger than the sum of its proper divisors (1).

52432447 is an equidigital number, since it uses as much as digits as its factorization.

52432447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26880, while the sum is 31.

The square root of 52432447 is about 7241.0252727083. The cubic root of 52432447 is about 374.2829485881.

The spelling of 52432447 in words is "fifty-two million, four hundred thirty-two thousand, four hundred forty-seven".