50421641 has 2 divisors, whose sum is σ = 50421642. Its totient is φ = 50421640.

The previous prime is 50421599. The next prime is 50421653. The reversal of 50421641 is 14612405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35760400 + 14661241 = 5980^2 + 3829^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50421641 is a prime.

It is a super-2 number, since 2×50421641² = 5084683762265762, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50421661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25210820 + 25210821.

It is an arithmetic number, because the mean of its divisors is an integer number (25210821).

Almost surely, 2^50421641 is an apocalyptic number.

It is an amenable number.

50421641 is a deficient number, since it is larger than the sum of its proper divisors (1).

50421641 is an equidigital number, since it uses as much as digits as its factorization.

50421641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 50421641 is about 7100.8197414101. The cubic root of 50421641 is about 369.4358116805.

The spelling of 50421641 in words is "fifty million, four hundred twenty-one thousand, six hundred forty-one".