52002142 has 8 divisors (see below), whose sum is σ = 78096600. Its totient is φ = 25969944.

The previous prime is 52002121. The next prime is 52002143. The reversal of 52002142 is 24120025.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52002143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13417 + ... + 16852.

It is an arithmetic number, because the mean of its divisors is an integer number (9762075).

Almost surely, 2^52002142 is an apocalyptic number.

52002142 is a deficient number, since it is larger than the sum of its proper divisors (26094458).

52002142 is a wasteful number, since it uses less digits than its factorization.

52002142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31130.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 52002142 is about 7211.2510703761. The cubic root of 52002142 is about 373.2562406363.

Adding to 52002142 its reverse (24120025), we get a palindrome (76122167).

The spelling of 52002142 in words is "fifty-two million, two thousand, one hundred forty-two".