52550443111 has 4 divisors (see below), whose sum is σ = 52638174000. Its totient is φ = 52462712224.

The previous prime is 52550443103. The next prime is 52550443199. The reversal of 52550443111 is 11134405525.

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 52550443111 - 2³ = 52550443103 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 (52554443111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43864546 + ... + 43865743.

It is an arithmetic number, because the mean of its divisors is an integer number (13159543500).

Almost surely, 2^52550443111 is an apocalyptic number.

52550443111 is a deficient number, since it is larger than the sum of its proper divisors (87730889).

52550443111 is an equidigital number, since it uses as much as digits as its factorization.

52550443111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87730888.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 52550443111 its reverse (11134405525), we get a palindrome (63684848636).

The spelling of 52550443111 in words is "fifty-two billion, five hundred fifty million, four hundred forty-three thousand, one hundred eleven".