53115431142 has 32 divisors (see below), whose sum is σ = 112565169504. Its totient is φ = 16651008000.

The previous prime is 53115431137. The next prime is 53115431147. The reversal of 53115431142 is 24113451135.

It is an interprime number because it is at equal distance from previous prime (53115431137) and next prime (53115431147).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53115431147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62359 + ... + 331842.

It is an arithmetic number, because the mean of its divisors is an integer number (3517661547).

Almost surely, 2^53115431142 is an apocalyptic number.

53115431142 is an abundant number, since it is smaller than the sum of its proper divisors (59449738362).

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

53115431142 is a wasteful number, since it uses less digits than its factorization.

53115431142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395544.

The product of its digits is 7200, while the sum is 30.

Adding to 53115431142 its reverse (24113451135), we get a palindrome (77228882277).

The spelling of 53115431142 in words is "fifty-three billion, one hundred fifteen million, four hundred thirty-one thousand, one hundred forty-two".