52445120 has 112 divisors (see below), whose sum is σ = 153789888. Its totient is φ = 16588800.

The previous prime is 52445101. The next prime is 52445131. The reversal of 52445120 is 2154425.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×52445120² = 5500981223628800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 28220 + ... + 30020.

It is an arithmetic number, because the mean of its divisors is an integer number (1373124).

Almost surely, 2^52445120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52445120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76894944).

52445120 is an abundant number, since it is smaller than the sum of its proper divisors (101344768).

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

52445120 is a wasteful number, since it uses less digits than its factorization.

52445120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838 (or 1828 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 52445120 is about 7241.9003030972. The cubic root of 52445120 is about 374.3131010731.

Adding to 52445120 its reverse (2154425), we get a palindrome (54599545).

The spelling of 52445120 in words is "fifty-two million, four hundred forty-five thousand, one hundred twenty".