53175503640 has 192 divisors, whose sum is σ = 186393830400. Its totient is φ = 12100553472.

The previous prime is 53175503629. The next prime is 53175503659. The reversal of 53175503640 is 4630557135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1314841 + ... + 1354679.

It is an arithmetic number, because the mean of its divisors is an integer number (970801200).

Almost surely, 2^53175503640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53175503640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93196915200).

53175503640 is an abundant number, since it is smaller than the sum of its proper divisors (133218326760).

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

53175503640 is a wasteful number, since it uses less digits than its factorization.

53175503640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40094 (or 40083 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 39.

The spelling of 53175503640 in words is "fifty-three billion, one hundred seventy-five million, five hundred three thousand, six hundred forty".