50172507858213 has 96 divisors (see below), whose sum is σ = 82591206297600. Its totient is φ = 29095031426688.

The previous prime is 50172507858107. The next prime is 50172507858227. The reversal of 50172507858213 is 31285870527105.

It is a happy number.

50172507858213 is a `hidden beast` number, since 5 + 0 + 1 + 7 + 2 + 50 + 7 + 8 + 582 + 1 + 3 = 666.

It is not a de Polignac number, because 50172507858213 - 2¹⁶ = 50172507792677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50172507858213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50172507858293) 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 95 ways as a sum of consecutive naturals, for example, 332283028 + ... + 332433986.

It is an arithmetic number, because the mean of its divisors is an integer number (860325065600).

Almost surely, 2^{50172507858213} is an apocalyptic number.

It is an amenable number.

50172507858213 is a deficient number, since it is larger than the sum of its proper divisors (32418698439387).

50172507858213 is a wasteful number, since it uses less digits than its factorization.

50172507858213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151791 (or 151788 counting only the distinct ones).

The product of its (nonzero) digits is 4704000, while the sum is 54.

The spelling of 50172507858213 in words is "fifty trillion, one hundred seventy-two billion, five hundred seven million, eight hundred fifty-eight thousand, two hundred thirteen".