52502142 has 48 divisors (see below), whose sum is σ = 131918976. Its totient is φ = 13635600.

The previous prime is 52502119. The next prime is 52502161. The reversal of 52502142 is 24120525.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84 + ... + 10247.

It is an arithmetic number, because the mean of its divisors is an integer number (2748312).

Almost surely, 2^52502142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52502142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65959488).

52502142 is an abundant number, since it is smaller than the sum of its proper divisors (79416834).

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

52502142 is a wasteful number, since it uses less digits than its factorization.

52502142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10365 (or 10354 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 52502142 is about 7245.8361836299. The cubic root of 52502142 is about 374.4487117249.

Adding to 52502142 its reverse (24120525), we get a palindrome (76622667).

The spelling of 52502142 in words is "fifty-two million, five hundred two thousand, one hundred forty-two".