50871899 has 8 divisors (see below), whose sum is σ = 56552832. Its totient is φ = 45443520.

The previous prime is 50871859. The next prime is 50871913. The reversal of 50871899 is 99817805.

It is a happy number.

50871899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 50871899 - 2⁸ = 50871643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50871859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62714 + ... + 63519.

It is an arithmetic number, because the mean of its divisors is an integer number (7069104).

Almost surely, 2^50871899 is an apocalyptic number.

50871899 is a deficient number, since it is larger than the sum of its proper divisors (5680933).

50871899 is a wasteful number, since it uses less digits than its factorization.

50871899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126277.

The product of its (nonzero) digits is 181440, while the sum is 47.

The square root of 50871899 is about 7132.4539255434. The cubic root of 50871899 is about 370.5322240757.

The spelling of 50871899 in words is "fifty million, eight hundred seventy-one thousand, eight hundred ninety-nine".