50020681 has 12 divisors (see below), whose sum is σ = 53670708. Its totient is φ = 46456832.

The previous prime is 50020651. The next prime is 50020687. The reversal of 50020681 is 18602005.

It is a happy number.

50020681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 45441081 + 4579600 = 6741^2 + 2140^2 .

It is not a de Polignac number, because 50020681 - 2⁹ = 50020169 is a prime.

It is a super-2 number, since 2×50020681² = 5004137055407522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50020687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 194505 + ... + 194761.

It is an arithmetic number, because the mean of its divisors is an integer number (4472559).

Almost surely, 2^50020681 is an apocalyptic number.

It is an amenable number.

50020681 is a deficient number, since it is larger than the sum of its proper divisors (3650027).

50020681 is a wasteful number, since it uses less digits than its factorization.

50020681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488 (or 381 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 50020681 is about 7072.5300282148. The cubic root of 50020681 is about 368.4539358329.

Adding to 50020681 its reverse (18602005), we get a palindrome (68622686).

The spelling of 50020681 in words is "fifty million, twenty thousand, six hundred eighty-one".