50864621 has 2 divisors, whose sum is σ = 50864622. Its totient is φ = 50864620.

The previous prime is 50864609. The next prime is 50864633. The reversal of 50864621 is 12646805.

It is a balanced prime because it is at equal distance from previous prime (50864609) and next prime (50864633).

It can be written as a sum of positive squares in only one way, i.e., 29008996 + 21855625 = 5386^2 + 4675^2 .

It is a cyclic number.

It is not a de Polignac number, because 50864621 - 2²² = 46670317 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50864321) 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, 25432310 + 25432311.

It is an arithmetic number, because the mean of its divisors is an integer number (25432311).

Almost surely, 2^50864621 is an apocalyptic number.

It is an amenable number.

50864621 is a deficient number, since it is larger than the sum of its proper divisors (1).

50864621 is an equidigital number, since it uses as much as digits as its factorization.

50864621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 50864621 is about 7131.9437042086. The cubic root of 50864621 is about 370.5145531402.

The spelling of 50864621 in words is "fifty million, eight hundred sixty-four thousand, six hundred twenty-one".