52557731767 has 4 divisors (see below), whose sum is σ = 53448540840. Its totient is φ = 51666922696.

The previous prime is 52557731747. The next prime is 52557731773. The reversal of 52557731767 is 76713775525.

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 52557731767 - 2³⁵ = 18197993399 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 (52557731747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445404448 + ... + 445404565.

It is an arithmetic number, because the mean of its divisors is an integer number (13362135210).

Almost surely, 2^52557731767 is an apocalyptic number.

52557731767 is a deficient number, since it is larger than the sum of its proper divisors (890809073).

52557731767 is an equidigital number, since it uses as much as digits as its factorization.

52557731767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890809072.

The product of its digits is 10804500, while the sum is 55.

The spelling of 52557731767 in words is "fifty-two billion, five hundred fifty-seven million, seven hundred thirty-one thousand, seven hundred sixty-seven".