53142535144 has 8 divisors (see below), whose sum is σ = 99642253410. Its totient is φ = 26571267568.

The previous prime is 53142535141. The next prime is 53142535153. The reversal of 53142535144 is 44153524135.

It can be written as a sum of positive squares in only one way, i.e., 51515380900 + 1627154244 = 226970^2 + 40338^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (53142535141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3321408439 + ... + 3321408454.

Almost surely, 2^53142535144 is an apocalyptic number.

It is an amenable number.

53142535144 is a deficient number, since it is larger than the sum of its proper divisors (46499718266).

53142535144 is a wasteful number, since it uses less digits than its factorization.

53142535144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6642816899 (or 6642816895 counting only the distinct ones).

The product of its digits is 144000, while the sum is 37.

The spelling of 53142535144 in words is "fifty-three billion, one hundred forty-two million, five hundred thirty-five thousand, one hundred forty-four".