52321581171691 has 32 divisors (see below), whose sum is σ = 62884476748800. Its totient is φ = 43006095936000.

The previous prime is 52321581171667. The next prime is 52321581171721. The reversal of 52321581171691 is 19617118512325.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 52321581171691 - 2⁵ = 52321581171659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52321581171791) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5142481 + ... + 11449378.

It is an arithmetic number, because the mean of its divisors is an integer number (1965139898400).

Almost surely, 2^{52321581171691} is an apocalyptic number.

52321581171691 is a deficient number, since it is larger than the sum of its proper divisors (10562895577109).

52321581171691 is a wasteful number, since it uses less digits than its factorization.

52321581171691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16592659.

The product of its digits is 907200, while the sum is 52.

The spelling of 52321581171691 in words is "fifty-two trillion, three hundred twenty-one billion, five hundred eighty-one million, one hundred seventy-one thousand, six hundred ninety-one".