50259421 has 2 divisors, whose sum is σ = 50259422. Its totient is φ = 50259420.

The previous prime is 50259413. The next prime is 50259437. The reversal of 50259421 is 12495205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30802500 + 19456921 = 5550^2 + 4411^2 .

It is a cyclic number.

It is not a de Polignac number, because 50259421 - 2³ = 50259413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50259421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50259491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25129710 + 25129711.

It is an arithmetic number, because the mean of its divisors is an integer number (25129711).

Almost surely, 2^50259421 is an apocalyptic number.

It is an amenable number.

50259421 is a deficient number, since it is larger than the sum of its proper divisors (1).

50259421 is an equidigital number, since it uses as much as digits as its factorization.

50259421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 50259421 is about 7089.3879143407. The cubic root of 50259421 is about 369.0391945304.

The spelling of 50259421 in words is "fifty million, two hundred fifty-nine thousand, four hundred twenty-one".