52000042 has 8 divisors (see below), whose sum is σ = 82588356. Its totient is φ = 24470592.

The previous prime is 52000031. The next prime is 52000043. The reversal of 52000042 is 24000025.

It is a happy number.

52000042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 51998521 + 1521 = 7211^2 + 39^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 51999986 and 52000031.

It is not an unprimeable number, because it can be changed into a prime (52000043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 764673 + ... + 764740.

Almost surely, 2^52000042 is an apocalyptic number.

52000042 is a deficient number, since it is larger than the sum of its proper divisors (30588314).

52000042 is a wasteful number, since it uses less digits than its factorization.

52000042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529432.

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 52000042 is about 7211.1054631034. The cubic root of 52000042 is about 373.2512161724.

Adding to 52000042 its reverse (24000025), we get a palindrome (76000067).

The spelling of 52000042 in words is "fifty-two million, forty-two", and thus it is an aban number, an eban number, and an uban number.