52056543091 has 4 divisors (see below), whose sum is σ = 59493192112. Its totient is φ = 44619894072.

The previous prime is 52056543041. The next prime is 52056543101. The reversal of 52056543091 is 19034565025.

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 52056543091 - 2³³ = 43466608499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52056543031) 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, 3718324500 + ... + 3718324513.

It is an arithmetic number, because the mean of its divisors is an integer number (14873298028).

Almost surely, 2^52056543091 is an apocalyptic number.

52056543091 is a deficient number, since it is larger than the sum of its proper divisors (7436649021).

52056543091 is an equidigital number, since it uses as much as digits as its factorization.

52056543091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7436649020.

The product of its (nonzero) digits is 162000, while the sum is 40.

The spelling of 52056543091 in words is "fifty-two billion, fifty-six million, five hundred forty-three thousand, ninety-one".