53242142 has 32 divisors (see below), whose sum is σ = 86661120. Its totient is φ = 24455520.

The previous prime is 53242141. The next prime is 53242151. The reversal of 53242142 is 24124235.

It is a happy number.

53242142 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 (53242141) 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 15 ways as a sum of consecutive naturals, for example, 238643 + ... + 238865.

It is an arithmetic number, because the mean of its divisors is an integer number (2708160).

Almost surely, 2^53242142 is an apocalyptic number.

53242142 is a deficient number, since it is larger than the sum of its proper divisors (33418978).

53242142 is a wasteful number, since it uses less digits than its factorization.

53242142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408.

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

The square root of 53242142 is about 7296.7213185101. The cubic root of 53242142 is about 376.1997533369.

Adding to 53242142 its reverse (24124235), we get a palindrome (77366377).

The spelling of 53242142 in words is "fifty-three million, two hundred forty-two thousand, one hundred forty-two".