52432442 has 16 divisors (see below), whose sum is σ = 79543464. Its totient is φ = 25920000.

The previous prime is 52432421. The next prime is 52432447. The reversal of 52432442 is 24423425.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 43970161 + 8462281 = 6631^2 + 2909^2 .

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (52432447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86942 + ... + 87542.

Almost surely, 2^52432442 is an apocalyptic number.

52432442 is a deficient number, since it is larger than the sum of its proper divisors (27111022).

52432442 is a wasteful number, since it uses less digits than its factorization.

52432442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025.

The product of its digits is 7680, while the sum is 26.

The square root of 52432442 is about 7241.0249274533. The cubic root of 52432442 is about 374.2829366908.

Adding to 52432442 its reverse (24423425), we get a palindrome (76855867).

The spelling of 52432442 in words is "fifty-two million, four hundred thirty-two thousand, four hundred forty-two".