52142812 has 24 divisors (see below), whose sum is σ = 95301360. Its totient is φ = 24931200.

The previous prime is 52142803. The next prime is 52142813. The reversal of 52142812 is 21824125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52142813) 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, 10312 + ... + 14512.

It is an arithmetic number, because the mean of its divisors is an integer number (3970890).

Almost surely, 2^52142812 is an apocalyptic number.

It is an amenable number.

52142812 is a deficient number, since it is larger than the sum of its proper divisors (43158548).

52142812 is a wasteful number, since it uses less digits than its factorization.

52142812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4341 (or 4339 counting only the distinct ones).

The product of its digits is 1280, while the sum is 25.

The square root of 52142812 is about 7220.9979919676. The cubic root of 52142812 is about 373.5925003882.

Adding to 52142812 its reverse (21824125), we get a palindrome (73966937).

The spelling of 52142812 in words is "fifty-two million, one hundred forty-two thousand, eight hundred twelve".