52142072 has 8 divisors (see below), whose sum is σ = 97766400. Its totient is φ = 26071032.

The previous prime is 52142071. The next prime is 52142141. The reversal of 52142072 is 27024125.

It is a happy number.

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 (52142071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3258872 + ... + 3258887.

It is an arithmetic number, because the mean of its divisors is an integer number (12220800).

Almost surely, 2^52142072 is an apocalyptic number.

It is an amenable number.

52142072 is a deficient number, since it is larger than the sum of its proper divisors (45624328).

52142072 is a wasteful number, since it uses less digits than its factorization.

52142072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6517765 (or 6517761 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 52142072 is about 7220.9467523310. The cubic root of 52142072 is about 373.5907330640.

Adding to 52142072 its reverse (27024125), we get a palindrome (79166197).

The spelling of 52142072 in words is "fifty-two million, one hundred forty-two thousand, seventy-two".