50612021 has 2 divisors, whose sum is σ = 50612022. Its totient is φ = 50612020.

The previous prime is 50611993. The next prime is 50612033. The reversal of 50612021 is 12021605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50608996 + 3025 = 7114^2 + 55^2 .

It is a cyclic number.

It is not a de Polignac number, because 50612021 - 2¹⁸ = 50349877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50612521) 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 as a sum of consecutive naturals, namely, 25306010 + 25306011.

It is an arithmetic number, because the mean of its divisors is an integer number (25306011).

Almost surely, 2^50612021 is an apocalyptic number.

It is an amenable number.

50612021 is a deficient number, since it is larger than the sum of its proper divisors (1).

50612021 is an equidigital number, since it uses as much as digits as its factorization.

50612021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 50612021 is about 7114.2126057632. The cubic root of 50612021 is about 369.9001946534.

Adding to 50612021 its reverse (12021605), we get a palindrome (62633626).

The spelling of 50612021 in words is "fifty million, six hundred twelve thousand, twenty-one".