50399001867 has 8 divisors (see below), whose sum is σ = 67199726224. Its totient is φ = 33598806048.

The previous prime is 50399001859. The next prime is 50399001923. The reversal of 50399001867 is 76810099305.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50399001867 - 2³ = 50399001859 is a prime.

It is a super-3 number, since 3×50399001867³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50399002867) 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 7 ways as a sum of consecutive naturals, for example, 240453 + ... + 398265.

It is an arithmetic number, because the mean of its divisors is an integer number (8399965778).

Almost surely, 2^50399001867 is an apocalyptic number.

50399001867 is a deficient number, since it is larger than the sum of its proper divisors (16800724357).

50399001867 is a wasteful number, since it uses less digits than its factorization.

50399001867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264269.

The product of its (nonzero) digits is 408240, while the sum is 48.

The spelling of 50399001867 in words is "fifty billion, three hundred ninety-nine million, one thousand, eight hundred sixty-seven".