50122021 has 4 divisors (see below), whose sum is σ = 50148000. Its totient is φ = 50096044.

The previous prime is 50121983. The next prime is 50122031. The reversal of 50122021 is 12022105.

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: 12022105 = 5 ⋅2404421.

It is a cyclic number.

It is not a de Polignac number, because 50122021 - 2¹³ = 50113829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50121992 and 50122010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50122031) 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, 9841 + ... + 14038.

It is an arithmetic number, because the mean of its divisors is an integer number (12537000).

Almost surely, 2^50122021 is an apocalyptic number.

It is an amenable number.

50122021 is a deficient number, since it is larger than the sum of its proper divisors (25979).

50122021 is a wasteful number, since it uses less digits than its factorization.

50122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25978.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 50122021 is about 7079.6907418333. The cubic root of 50122021 is about 368.7025925457.

Adding to 50122021 its reverse (12022105), we get a palindrome (62144126).

It can be divided in two parts, 501 and 22021, that added together give a palindrome (22522).

The spelling of 50122021 in words is "fifty million, one hundred twenty-two thousand, twenty-one".