52115742 has 48 divisors (see below), whose sum is σ = 132063360. Its totient is φ = 14542416.

The previous prime is 52115737. The next prime is 52115771. The reversal of 52115742 is 24751125.

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, 609 + ... + 10227.

It is an arithmetic number, because the mean of its divisors is an integer number (2751320).

Almost surely, 2^52115742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52115742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66031680).

52115742 is an abundant number, since it is smaller than the sum of its proper divisors (79947618).

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

52115742 is a wasteful number, since it uses less digits than its factorization.

52115742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9677 (or 9674 counting only the distinct ones).

The product of its digits is 2800, while the sum is 27.

The square root of 52115742 is about 7219.1233539814. The cubic root of 52115742 is about 373.5278388738.

Adding to 52115742 its reverse (24751125), we get a palindrome (76866867).

The spelling of 52115742 in words is "fifty-two million, one hundred fifteen thousand, seven hundred forty-two".