50681771 has 4 divisors (see below), whose sum is σ = 57922032. Its totient is φ = 43441512.

The previous prime is 50681737. The next prime is 50681803. The reversal of 50681771 is 17718605.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17718605 = 5 ⋅3543721.

It is a cyclic number.

It is not a de Polignac number, because 50681771 - 2⁶ = 50681707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50681711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3620120 + ... + 3620133.

It is an arithmetic number, because the mean of its divisors is an integer number (14480508).

Almost surely, 2^50681771 is an apocalyptic number.

50681771 is a deficient number, since it is larger than the sum of its proper divisors (7240261).

50681771 is an equidigital number, since it uses as much as digits as its factorization.

50681771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7240260.

The product of its (nonzero) digits is 11760, while the sum is 35.

The square root of 50681771 is about 7119.1130767814. The cubic root of 50681771 is about 370.0700403077.

The spelling of 50681771 in words is "fifty million, six hundred eighty-one thousand, seven hundred seventy-one".