50612921 has 2 divisors, whose sum is σ = 50612922. Its totient is φ = 50612920.

The previous prime is 50612911. The next prime is 50612953. The reversal of 50612921 is 12921605.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37210000 + 13402921 = 6100^2 + 3661^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50612921 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50612911) 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, 25306460 + 25306461.

It is an arithmetic number, because the mean of its divisors is an integer number (25306461).

Almost surely, 2^50612921 is an apocalyptic number.

It is an amenable number.

50612921 is a deficient number, since it is larger than the sum of its proper divisors (1).

50612921 is an equidigital number, since it uses as much as digits as its factorization.

50612921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 50612921 is about 7114.2758591441. The cubic root of 50612921 is about 369.9023872037.

The spelling of 50612921 in words is "fifty million, six hundred twelve thousand, nine hundred twenty-one".