50235421 has 2 divisors, whose sum is σ = 50235422. Its totient is φ = 50235420.

The previous prime is 50235413. The next prime is 50235439. The reversal of 50235421 is 12453205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50211396 + 24025 = 7086^2 + 155^2 .

It is a cyclic number.

It is not a de Polignac number, because 50235421 - 2³ = 50235413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50235392 and 50235401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50235401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25117710 + 25117711.

It is an arithmetic number, because the mean of its divisors is an integer number (25117711).

Almost surely, 2^50235421 is an apocalyptic number.

It is an amenable number.

50235421 is a deficient number, since it is larger than the sum of its proper divisors (1).

50235421 is an equidigital number, since it uses as much as digits as its factorization.

50235421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 50235421 is about 7087.6950414080. The cubic root of 50235421 is about 368.9804436822.

Adding to 50235421 its reverse (12453205), we get a palindrome (62688626).

The spelling of 50235421 in words is "fifty million, two hundred thirty-five thousand, four hundred twenty-one".