52142304 has 24 divisors (see below), whose sum is σ = 136873800. Its totient is φ = 17380736.

The previous prime is 52142267. The next prime is 52142309. The reversal of 52142304 is 40324125.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52142309) 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 3 ways as a sum of consecutive naturals, for example, 271479 + ... + 271670.

It is an arithmetic number, because the mean of its divisors is an integer number (5703075).

Almost surely, 2^52142304 is an apocalyptic number.

It is an amenable number.

52142304 is an abundant number, since it is smaller than the sum of its proper divisors (84731496).

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

52142304 is a wasteful number, since it uses less digits than its factorization.

52142304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543162 (or 543154 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 52142304 is about 7220.9628166886. The cubic root of 52142304 is about 373.5912871459.

Adding to 52142304 its reverse (40324125), we get a palindrome (92466429).

The spelling of 52142304 in words is "fifty-two million, one hundred forty-two thousand, three hundred four".