50780681 has 4 divisors (see below), whose sum is σ = 58035072. Its totient is φ = 43526292.

The previous prime is 50780669. The next prime is 50780699. The reversal of 50780681 is 18608705.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 18608705 = 5 ⋅3721741.

It is a cyclic number.

It is not a de Polignac number, because 50780681 - 2⁶ = 50780617 is a prime.

It is a super-2 number, since 2×50780681² = 5157355125647522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50680681) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3627185 + ... + 3627198.

It is an arithmetic number, because the mean of its divisors is an integer number (14508768).

Almost surely, 2^50780681 is an apocalyptic number.

It is an amenable number.

50780681 is a deficient number, since it is larger than the sum of its proper divisors (7254391).

50780681 is an equidigital number, since it uses as much as digits as its factorization.

50780681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7254390.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 50780681 is about 7126.0564830767. The cubic root of 50780681 is about 370.3106254399.

The spelling of 50780681 in words is "fifty million, seven hundred eighty thousand, six hundred eighty-one".