50190192387 has 24 divisors (see below), whose sum is σ = 76753731600. Its totient is φ = 31515818688.

The previous prime is 50190192343. The next prime is 50190192391. The reversal of 50190192387 is 78329109105.

It is not a de Polignac number, because 50190192387 - 2⁷ = 50190192259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50190192397) 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 23 ways as a sum of consecutive naturals, for example, 818712 + ... + 877877.

It is an arithmetic number, because the mean of its divisors is an integer number (3198072150).

Almost surely, 2^50190192387 is an apocalyptic number.

50190192387 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

50190192387 is a deficient number, since it is larger than the sum of its proper divisors (26563539213).

50190192387 is a wasteful number, since it uses less digits than its factorization.

50190192387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696787 (or 1696784 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The spelling of 50190192387 in words is "fifty billion, one hundred ninety million, one hundred ninety-two thousand, three hundred eighty-seven".