53231531534140 has 24 divisors (see below), whose sum is σ = 111794450290992. Its totient is φ = 21291044219520.

The previous prime is 53231531534099. The next prime is 53231531534147. The reversal of 53231531534140 is 4143513513235.

It is a junction number, because it is equal to n+sod(n) for n = 53231531534093 and 53231531534102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53231531534147) 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, 97746306 + ... + 98289385.

It is an arithmetic number, because the mean of its divisors is an integer number (4658102095458).

Almost surely, 2^{53231531534140} is an apocalyptic number.

It is an amenable number.

53231531534140 is an abundant number, since it is smaller than the sum of its proper divisors (58562918756852).

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

53231531534140 is a wasteful number, since it uses less digits than its factorization.

53231531534140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196049277 (or 196049275 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 40.

The spelling of 53231531534140 in words is "fifty-three trillion, two hundred thirty-one billion, five hundred thirty-one million, five hundred thirty-four thousand, one hundred forty".