53575166157536 has 96 divisors (see below), whose sum is σ = 116838642678912. Its totient is φ = 24073580707840.

The previous prime is 53575166157509. The next prime is 53575166157551. The reversal of 53575166157536 is 63575166157535.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24505361 + ... + 26601936.

It is an arithmetic number, because the mean of its divisors is an integer number (1217069194572).

Almost surely, 2^{53575166157536} is an apocalyptic number.

It is an amenable number.

53575166157536 is an abundant number, since it is smaller than the sum of its proper divisors (63263476521376).

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

53575166157536 is a wasteful number, since it uses less digits than its factorization.

53575166157536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51107412 (or 51107404 counting only the distinct ones).

The product of its digits is 297675000, while the sum is 65.

Subtracting 53575166157536 from its reverse (63575166157535), we obtain a palindrome (9999999999999).

The spelling of 53575166157536 in words is "fifty-three trillion, five hundred seventy-five billion, one hundred sixty-six million, one hundred fifty-seven thousand, five hundred thirty-six".