52091759 has 4 divisors (see below), whose sum is σ = 52183560. Its totient is φ = 51999960.

The previous prime is 52091719. The next prime is 52091783. The reversal of 52091759 is 95719025.

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 52091759 - 2²⁰ = 51043183 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 (52091719) 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 3 ways as a sum of consecutive naturals, for example, 45044 + ... + 46185.

It is an arithmetic number, because the mean of its divisors is an integer number (13045890).

Almost surely, 2^52091759 is an apocalyptic number.

52091759 is a deficient number, since it is larger than the sum of its proper divisors (91801).

52091759 is an equidigital number, since it uses as much as digits as its factorization.

52091759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91800.

The product of its (nonzero) digits is 28350, while the sum is 38.

The square root of 52091759 is about 7217.4620885738. The cubic root of 52091759 is about 373.4705324993.

The spelling of 52091759 in words is "fifty-two million, ninety-one thousand, seven hundred fifty-nine".