53715131144 has 8 divisors (see below), whose sum is σ = 100715870910. Its totient is φ = 26857565568.

The previous prime is 53715131143. The next prime is 53715131147. The reversal of 53715131144 is 44113151735.

It can be written as a sum of positive squares in only one way, i.e., 35581276900 + 18133854244 = 188630^2 + 134662^2 .

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 (53715131143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3357195689 + ... + 3357195704.

Almost surely, 2^53715131144 is an apocalyptic number.

It is an amenable number.

53715131144 is a deficient number, since it is larger than the sum of its proper divisors (47000739766).

53715131144 is a wasteful number, since it uses less digits than its factorization.

53715131144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6714391399 (or 6714391395 counting only the distinct ones).

The product of its digits is 25200, while the sum is 35.

Adding to 53715131144 its reverse (44113151735), we get a palindrome (97828282879).

The spelling of 53715131144 in words is "fifty-three billion, seven hundred fifteen million, one hundred thirty-one thousand, one hundred forty-four".