52144920 has 48 divisors (see below), whose sum is σ = 169472160. Its totient is φ = 13905216.

The previous prime is 52144913. The next prime is 52144921. The reversal of 52144920 is 2944125.

52144920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52144921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72064 + ... + 72783.

It is an arithmetic number, because the mean of its divisors is an integer number (3530670).

Almost surely, 2^52144920 is an apocalyptic number.

It is an amenable number.

52144920 is an abundant number, since it is smaller than the sum of its proper divisors (117327240).

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

52144920 is a wasteful number, since it uses less digits than its factorization.

52144920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144864 (or 144857 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 52144920 is about 7221.1439536960. The cubic root of 52144920 is about 373.5975347822.

The spelling of 52144920 in words is "fifty-two million, one hundred forty-four thousand, nine hundred twenty".