52291327946391 has 6 divisors (see below), whose sum is σ = 75531918144800. Its totient is φ = 34860885297588.

The previous prime is 52291327946383. The next prime is 52291327946401. The reversal of 52291327946391 is 19364972319225.

52291327946391 is a `hidden beast` number, since 5 + 2 + 2 + 9 + 13 + 2 + 79 + 463 + 91 = 666.

It is not a de Polignac number, because 52291327946391 - 2³ = 52291327946383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52291327946321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2905073774791 + ... + 2905073774808.

Almost surely, 2^{52291327946391} is an apocalyptic number.

52291327946391 is a deficient number, since it is larger than the sum of its proper divisors (23240590198409).

52291327946391 is a wasteful number, since it uses less digits than its factorization.

52291327946391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5810147549605 (or 5810147549602 counting only the distinct ones).

The product of its digits is 44089920, while the sum is 63.

The spelling of 52291327946391 in words is "fifty-two trillion, two hundred ninety-one billion, three hundred twenty-seven million, nine hundred forty-six thousand, three hundred ninety-one".