52398755719 has 4 divisors (see below), whose sum is σ = 53814938344. Its totient is φ = 50982573096.

The previous prime is 52398755707. The next prime is 52398755737. The reversal of 52398755719 is 91755789325.

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 52398755719 - 2¹⁷ = 52398624647 is a prime.

It is a super-2 number, since 2×52398755719² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52398755789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 708091257 + ... + 708091330.

It is an arithmetic number, because the mean of its divisors is an integer number (13453734586).

Almost surely, 2^52398755719 is an apocalyptic number.

52398755719 is a deficient number, since it is larger than the sum of its proper divisors (1416182625).

52398755719 is a wasteful number, since it uses less digits than its factorization.

52398755719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416182624.

The product of its digits is 23814000, while the sum is 61.

The spelling of 52398755719 in words is "fifty-two billion, three hundred ninety-eight million, seven hundred fifty-five thousand, seven hundred nineteen".