50071021 has 16 divisors (see below), whose sum is σ = 67229568. Its totient is φ = 36014400.

The previous prime is 50071013. The next prime is 50071033. The reversal of 50071021 is 12017005.

It is a cyclic number.

It is not a de Polignac number, because 50071021 - 2³ = 50071013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50070986 and 50071004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50071321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24010 + ... + 26011.

It is an arithmetic number, because the mean of its divisors is an integer number (4201848).

Almost surely, 2^50071021 is an apocalyptic number.

It is an amenable number.

50071021 is a deficient number, since it is larger than the sum of its proper divisors (17158547).

50071021 is a wasteful number, since it uses less digits than its factorization.

50071021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50052.

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 50071021 is about 7076.0879728845. The cubic root of 50071021 is about 368.5774964090.

Adding to 50071021 its reverse (12017005), we get a palindrome (62088026).

The spelling of 50071021 in words is "fifty million, seventy-one thousand, twenty-one".