52200855991 has 4 divisors (see below), whose sum is σ = 52861626400. Its totient is φ = 51540085584.

The previous prime is 52200855961. The next prime is 52200856033. The reversal of 52200855991 is 19955800225.

It is a happy number.

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 52200855991 - 2¹³ = 52200847799 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 (52200855961) 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, 330385086 + ... + 330385243.

It is an arithmetic number, because the mean of its divisors is an integer number (13215406600).

Almost surely, 2^52200855991 is an apocalyptic number.

52200855991 is a deficient number, since it is larger than the sum of its proper divisors (660770409).

52200855991 is an equidigital number, since it uses as much as digits as its factorization.

52200855991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660770408.

The product of its (nonzero) digits is 324000, while the sum is 46.

The spelling of 52200855991 in words is "fifty-two billion, two hundred million, eight hundred fifty-five thousand, nine hundred ninety-one".