52190844 has 12 divisors (see below), whose sum is σ = 121778664. Its totient is φ = 17396944.

The previous prime is 52190843. The next prime is 52190857. The reversal of 52190844 is 44809125.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52190843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2174607 + ... + 2174630.

It is an arithmetic number, because the mean of its divisors is an integer number (10148222).

Almost surely, 2^52190844 is an apocalyptic number.

It is an amenable number.

52190844 is an abundant number, since it is smaller than the sum of its proper divisors (69587820).

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

52190844 is a wasteful number, since it uses less digits than its factorization.

52190844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4349244 (or 4349242 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 52190844 is about 7224.3230824763. The cubic root of 52190844 is about 373.7071783097.

Adding to 52190844 its reverse (44809125), we get a palindrome (96999969).

The spelling of 52190844 in words is "fifty-two million, one hundred ninety thousand, eight hundred forty-four".