52444392 has 256 divisors, whose sum is σ = 183859200. Its totient is φ = 12026880.

The previous prime is 52444361. The next prime is 52444397. The reversal of 52444392 is 29344425.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (52444397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 888859 + ... + 888917.

It is an arithmetic number, because the mean of its divisors is an integer number (718200).

Almost surely, 2^52444392 is an apocalyptic number.

52444392 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 52444392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91929600).

52444392 is an abundant number, since it is smaller than the sum of its proper divisors (131414808).

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

52444392 is a wasteful number, since it uses less digits than its factorization.

52444392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 132 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 52444392 is about 7241.8500398724. The cubic root of 52444392 is about 374.3113690962.

Adding to 52444392 its sum of digits (33), we get a palindrome (52444425).

It can be divided in two parts, 52 and 444392, that added together give a palindrome (444444).

The spelling of 52444392 in words is "fifty-two million, four hundred forty-four thousand, three hundred ninety-two".