52191 has 8 divisors (see below), whose sum is σ = 77360. Its totient is φ = 34776.

The previous prime is 52189. The next prime is 52201. The reversal of 52191 is 19125.

It is not a de Polignac number, because 52191 - 2¹ = 52189 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 (52121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 940 + ... + 993.

It is an arithmetic number, because the mean of its divisors is an integer number (9670).

2⁵²¹⁹¹ is an apocalyptic number.

52191 is a deficient number, since it is larger than the sum of its proper divisors (25169).

52191 is a wasteful number, since it uses less digits than its factorization.

52191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1942 (or 1936 counting only the distinct ones).

The product of its digits is 90, while the sum is 18.

The square root of 52191 is about 228.4534963620. The cubic root of 52191 is about 37.3707550650.

It can be divided in two parts, 52 and 191, that added together give a 5-th power (243 = 3⁵).

The spelling of 52191 in words is "fifty-two thousand, one hundred ninety-one".