50131765 has 16 divisors (see below), whose sum is σ = 61814016. Its totient is φ = 39009600.

The previous prime is 50131733. The next prime is 50131771. The reversal of 50131765 is 56713105.

It is not a de Polignac number, because 50131765 - 2⁵ = 50131733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92395 + ... + 92935.

It is an arithmetic number, because the mean of its divisors is an integer number (3863376).

Almost surely, 2^50131765 is an apocalyptic number.

It is an amenable number.

50131765 is a deficient number, since it is larger than the sum of its proper divisors (11682251).

50131765 is a wasteful number, since it uses less digits than its factorization.

50131765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 50131765 is about 7080.3788740434. The cubic root of 50131765 is about 368.7264836100.

The spelling of 50131765 in words is "fifty million, one hundred thirty-one thousand, seven hundred sixty-five".