52001142 has 16 divisors (see below), whose sum is σ = 104440320. Its totient is φ = 17260712.

The previous prime is 52001141. The next prime is 52001153. The reversal of 52001142 is 24110025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52001141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16698 + ... + 19565.

It is an arithmetic number, because the mean of its divisors is an integer number (6527520).

Almost surely, 2^52001142 is an apocalyptic number.

52001142 is an abundant number, since it is smaller than the sum of its proper divisors (52439178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52001142 is a wasteful number, since it uses less digits than its factorization.

52001142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36507.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 52001142 is about 7211.1817339462. The cubic root of 52001142 is about 373.2538480513.

Adding to 52001142 its reverse (24110025), we get a palindrome (76111167).

The spelling of 52001142 in words is "fifty-two million, one thousand, one hundred forty-two".