52394992 has 40 divisors (see below), whose sum is σ = 110374880. Its totient is φ = 23950080.

The previous prime is 52394981. The next prime is 52394999. The reversal of 52394992 is 29949325.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52394999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21517 + ... + 23827.

It is an arithmetic number, because the mean of its divisors is an integer number (2759372).

Almost surely, 2^52394992 is an apocalyptic number.

52394992 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52394992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55187440).

52394992 is an abundant number, since it is smaller than the sum of its proper divisors (57979888).

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

52394992 is a wasteful number, since it uses less digits than its factorization.

52394992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2441 (or 2435 counting only the distinct ones).

The product of its digits is 174960, while the sum is 43.

The square root of 52394992 is about 7238.4385056447. The cubic root of 52394992 is about 374.1938046320.

The spelling of 52394992 in words is "fifty-two million, three hundred ninety-four thousand, nine hundred ninety-two".