52806945291 has 4 divisors (see below), whose sum is σ = 70409260392. Its totient is φ = 35204630192.

The previous prime is 52806945287. The next prime is 52806945293. The reversal of 52806945291 is 19254960825.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52806945291 - 2² = 52806945287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52806945293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8801157546 + ... + 8801157551.

It is an arithmetic number, because the mean of its divisors is an integer number (17602315098).

Almost surely, 2^52806945291 is an apocalyptic number.

52806945291 is a deficient number, since it is larger than the sum of its proper divisors (17602315101).

52806945291 is a wasteful number, since it uses less digits than its factorization.

52806945291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17602315100.

The product of its (nonzero) digits is 1555200, while the sum is 51.

The spelling of 52806945291 in words is "fifty-two billion, eight hundred six million, nine hundred forty-five thousand, two hundred ninety-one".