52423442 has 4 divisors (see below), whose sum is σ = 78635166. Its totient is φ = 26211720.

The previous prime is 52423429. The next prime is 52423457. The reversal of 52423442 is 24432425.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41460721 + 10962721 = 6439^2 + 3311^2 .

It is a super-2 number, since 2×52423442² = 5496434542254728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13105859 + ... + 13105862.

Almost surely, 2^52423442 is an apocalyptic number.

52423442 is a deficient number, since it is larger than the sum of its proper divisors (26211724).

52423442 is a wasteful number, since it uses less digits than its factorization.

52423442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26211723.

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

The square root of 52423442 is about 7240.4034417980. The cubic root of 52423442 is about 374.2615203116.

Adding to 52423442 its reverse (24432425), we get a palindrome (76855867).

The spelling of 52423442 in words is "fifty-two million, four hundred twenty-three thousand, four hundred forty-two".