52453442 has 4 divisors (see below), whose sum is σ = 78680166. Its totient is φ = 26226720.

The previous prime is 52453439. The next prime is 52453459. The reversal of 52453442 is 24435425.

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., 27363361 + 25090081 = 5231^2 + 5009^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13113359 + ... + 13113362.

Almost surely, 2^52453442 is an apocalyptic number.

52453442 is a deficient number, since it is larger than the sum of its proper divisors (26226724).

52453442 is a wasteful number, since it uses less digits than its factorization.

52453442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26226723.

The product of its digits is 19200, while the sum is 29.

The square root of 52453442 is about 7242.4748532529. The cubic root of 52453442 is about 374.3328987134.

Adding to 52453442 its reverse (24435425), we get a palindrome (76888867).

The spelling of 52453442 in words is "fifty-two million, four hundred fifty-three thousand, four hundred forty-two".