52029552191 has 4 divisors (see below), whose sum is σ = 52091566800. Its totient is φ = 51967537584.

The previous prime is 52029552089. The next prime is 52029552193. The reversal of 52029552191 is 19125592025.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52029552191 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 (52029552193) 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, 31006046 + ... + 31007723.

It is an arithmetic number, because the mean of its divisors is an integer number (13022891700).

Almost surely, 2^52029552191 is an apocalyptic number.

52029552191 is a deficient number, since it is larger than the sum of its proper divisors (62014609).

52029552191 is an equidigital number, since it uses as much as digits as its factorization.

52029552191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62014608.

The product of its (nonzero) digits is 81000, while the sum is 41.

The spelling of 52029552191 in words is "fifty-two billion, twenty-nine million, five hundred fifty-two thousand, one hundred ninety-one".