52171904419199 has 4 divisors (see below), whose sum is σ = 53444389892880. Its totient is φ = 50899418945520.

The previous prime is 52171904419181. The next prime is 52171904419211. The reversal of 52171904419199 is 99191440917125.

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 52171904419199 - 2¹⁶ = 52171904353663 is a prime.

It is a super-2 number, since 2×52171904419199² (a number of 28 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 (52171904419169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 636242736779 + ... + 636242736860.

It is an arithmetic number, because the mean of its divisors is an integer number (13361097473220).

Almost surely, 2^{52171904419199} is an apocalyptic number.

52171904419199 is a deficient number, since it is larger than the sum of its proper divisors (1272485473681).

52171904419199 is a wasteful number, since it uses less digits than its factorization.

52171904419199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272485473680.

The product of its (nonzero) digits is 7348320, while the sum is 62.

The spelling of 52171904419199 in words is "fifty-two trillion, one hundred seventy-one billion, nine hundred four million, four hundred nineteen thousand, one hundred ninety-nine".