50891975 has 18 divisors (see below), whose sum is σ = 66614040. Its totient is φ = 38563920.

The previous prime is 50891969. The next prime is 50892041. The reversal of 50891975 is 57919805.

It is a happy number.

It is not a de Polignac number, because 50891975 - 2⁴ = 50891959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6206 + ... + 11844.

It is an arithmetic number, because the mean of its divisors is an integer number (3700780).

Almost surely, 2^50891975 is an apocalyptic number.

50891975 is a deficient number, since it is larger than the sum of its proper divisors (15722065).

50891975 is a wasteful number, since it uses less digits than its factorization.

50891975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5687 (or 5663 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 44.

The square root of 50891975 is about 7133.8611564846. The cubic root of 50891975 is about 370.5809597349.

The spelling of 50891975 in words is "fifty million, eight hundred ninety-one thousand, nine hundred seventy-five".