52743442 has 4 divisors (see below), whose sum is σ = 79115166. Its totient is φ = 26371720.

The previous prime is 52743437. The next prime is 52743451. The reversal of 52743442 is 24434725.

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., 51423241 + 1320201 = 7171^2 + 1149^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13185859 + ... + 13185862.

Almost surely, 2^52743442 is an apocalyptic number.

52743442 is a deficient number, since it is larger than the sum of its proper divisors (26371724).

52743442 is a wasteful number, since it uses less digits than its factorization.

52743442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26371723.

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

The square root of 52743442 is about 7262.4680377954. The cubic root of 52743442 is about 375.0214909165.

The spelling of 52743442 in words is "fifty-two million, seven hundred forty-three thousand, four hundred forty-two".