52091719 has 2 divisors, whose sum is σ = 52091720. Its totient is φ = 52091718.

The previous prime is 52091701. The next prime is 52091783. The reversal of 52091719 is 91719025.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52091719 - 2¹³ = 52083527 is a prime.

It is a super-2 number, since 2×52091719² = 5427094376749922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52091119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26045859 + 26045860.

It is an arithmetic number, because the mean of its divisors is an integer number (26045860).

Almost surely, 2^52091719 is an apocalyptic number.

52091719 is a deficient number, since it is larger than the sum of its proper divisors (1).

52091719 is an equidigital number, since it uses as much as digits as its factorization.

52091719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 34.

The square root of 52091719 is about 7217.4593175161. The cubic root of 52091719 is about 373.4704369063.

The spelling of 52091719 in words is "fifty-two million, ninety-one thousand, seven hundred nineteen".