52112899807 has 4 divisors (see below), whose sum is σ = 52120125880. Its totient is φ = 52105673736.

The previous prime is 52112899799. The next prime is 52112899823. The reversal of 52112899807 is 70899821125.

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 52112899807 - 2³ = 52112899799 is a prime.

It is the 228283-rd Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52112899837) by changing a digit.

It is a nontrivial repunit in base 228282.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3602208 + ... + 3616645.

It is an arithmetic number, because the mean of its divisors is an integer number (13030031470).

Almost surely, 2^52112899807 is an apocalyptic number.

52112899807 is a deficient number, since it is larger than the sum of its proper divisors (7226073).

52112899807 is an equidigital number, since it uses as much as digits as its factorization.

52112899807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7226072.

The product of its (nonzero) digits is 725760, while the sum is 52.

The spelling of 52112899807 in words is "fifty-two billion, one hundred twelve million, eight hundred ninety-nine thousand, eight hundred seven".