52143270 has 32 divisors (see below), whose sum is σ = 126390240. Its totient is φ = 13766400.

The previous prime is 52143251. The next prime is 52143313. The reversal of 52143270 is 7234125.

52143270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 52143270.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5575 + ... + 11634.

It is an arithmetic number, because the mean of its divisors is an integer number (3949695).

Almost surely, 2^52143270 is an apocalyptic number.

52143270 is an abundant number, since it is smaller than the sum of its proper divisors (74246970).

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

52143270 is a wasteful number, since it uses less digits than its factorization.

52143270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17320.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 52143270 is about 7221.0297049659. The cubic root of 52143270 is about 373.5935942102.

Adding to 52143270 its reverse (7234125), we get a palindrome (59377395).

The spelling of 52143270 in words is "fifty-two million, one hundred forty-three thousand, two hundred seventy".