52277191 has 8 divisors (see below), whose sum is σ = 54172800. Its totient is φ = 50394720.

The previous prime is 52277177. The next prime is 52277213. The reversal of 52277191 is 19177225.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52277191 - 2⁷ = 52277063 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 (52277161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5205 + ... + 11473.

It is an arithmetic number, because the mean of its divisors is an integer number (6771600).

Almost surely, 2^52277191 is an apocalyptic number.

52277191 is a deficient number, since it is larger than the sum of its proper divisors (1895609).

52277191 is a wasteful number, since it uses less digits than its factorization.

52277191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6569.

The product of its digits is 8820, while the sum is 34.

The square root of 52277191 is about 7230.2967435645. The cubic root of 52277191 is about 373.9131576992.

Adding to 52277191 its sum of digits (34), we get a palindrome (52277225).

The spelling of 52277191 in words is "fifty-two million, two hundred seventy-seven thousand, one hundred ninety-one".