53521166664175 has 48 divisors (see below), whose sum is σ = 75890621207232. Its totient is φ = 36679195238400.

The previous prime is 53521166664127. The next prime is 53521166664197. The reversal of 53521166664175 is 57146666112535.

It is not a de Polignac number, because 53521166664175 - 2¹⁵ = 53521166631407 is a prime.

It is a Duffinian number.

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, 2980509297 + ... + 2980527253.

It is an arithmetic number, because the mean of its divisors is an integer number (1581054608484).

Almost surely, 2^{53521166664175} is an apocalyptic number.

53521166664175 is a deficient number, since it is larger than the sum of its proper divisors (22369454543057).

53521166664175 is a wasteful number, since it uses less digits than its factorization.

53521166664175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26788 (or 26783 counting only the distinct ones).

The product of its digits is 27216000, while the sum is 58.

The spelling of 53521166664175 in words is "fifty-three trillion, five hundred twenty-one billion, one hundred sixty-six million, six hundred sixty-four thousand, one hundred seventy-five".