50761 has 4 divisors (see below), whose sum is σ = 52992. Its totient is φ = 48532.

The previous prime is 50753. The next prime is 50767. The reversal of 50761 is 16705.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50761 - 2³ = 50753 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (50767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1081 + ... + 1126.

It is an arithmetic number, because the mean of its divisors is an integer number (13248).

2⁵⁰⁷⁶¹ is an apocalyptic number.

It is an amenable number.

50761 is a deficient number, since it is larger than the sum of its proper divisors (2231).

50761 is a wasteful number, since it uses less digits than its factorization.

50761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 50761 is about 225.3020195205. The cubic root of 50761 is about 37.0262778995.

The spelling of 50761 in words is "fifty thousand, seven hundred sixty-one".