53144142 has 16 divisors (see below), whose sum is σ = 112540752. Its totient is φ = 16672640.

The previous prime is 53144141. The next prime is 53144167. The reversal of 53144142 is 24144135.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53144141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260409 + ... + 260612.

It is an arithmetic number, because the mean of its divisors is an integer number (7033797).

Almost surely, 2^53144142 is an apocalyptic number.

53144142 is an abundant number, since it is smaller than the sum of its proper divisors (59396610).

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

53144142 is a wasteful number, since it uses less digits than its factorization.

53144142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521043.

The product of its digits is 1920, while the sum is 24.

The square root of 53144142 is about 7290.0028806579. The cubic root of 53144142 is about 375.9687945658.

Adding to 53144142 its reverse (24144135), we get a palindrome (77288277).

The spelling of 53144142 in words is "fifty-three million, one hundred forty-four thousand, one hundred forty-two".