52504142 has 8 divisors (see below), whose sum is σ = 81296832. Its totient is φ = 25405200.

The previous prime is 52504139. The next prime is 52504157. The reversal of 52504142 is 24140525.

It is a happy number.

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

It is a congruent 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 in 3 ways as a sum of consecutive naturals, for example, 423359 + ... + 423482.

It is an arithmetic number, because the mean of its divisors is an integer number (10162104).

Almost surely, 2^52504142 is an apocalyptic number.

52504142 is a deficient number, since it is larger than the sum of its proper divisors (28792690).

52504142 is a wasteful number, since it uses less digits than its factorization.

52504142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846874.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 52504142 is about 7245.9741926121. The cubic root of 52504142 is about 374.4534663748.

Adding to 52504142 its reverse (24140525), we get a palindrome (76644667).

The spelling of 52504142 in words is "fifty-two million, five hundred four thousand, one hundred forty-two".