52140344 has 8 divisors (see below), whose sum is σ = 97763160. Its totient is φ = 26070168.

The previous prime is 52140337. The next prime is 52140349. The reversal of 52140344 is 44304125.

52140344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52140349) 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 as a sum of consecutive naturals, namely, 3258764 + ... + 3258779.

It is an arithmetic number, because the mean of its divisors is an integer number (12220395).

Almost surely, 2^52140344 is an apocalyptic number.

It is an amenable number.

52140344 is a deficient number, since it is larger than the sum of its proper divisors (45622816).

52140344 is a wasteful number, since it uses less digits than its factorization.

52140344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6517549 (or 6517545 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 52140344 is about 7220.8270994395. The cubic root of 52140344 is about 373.5866060581.

Adding to 52140344 its reverse (44304125), we get a palindrome (96444469).

The spelling of 52140344 in words is "fifty-two million, one hundred forty thousand, three hundred forty-four".