50219501 has 2 divisors, whose sum is σ = 50219502. Its totient is φ = 50219500.

The previous prime is 50219497. The next prime is 50219509. The reversal of 50219501 is 10591205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35581225 + 14638276 = 5965^2 + 3826^2 .

It is a cyclic number.

It is not a de Polignac number, because 50219501 - 2² = 50219497 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50219509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25109750 + 25109751.

It is an arithmetic number, because the mean of its divisors is an integer number (25109751).

Almost surely, 2^50219501 is an apocalyptic number.

It is an amenable number.

50219501 is a deficient number, since it is larger than the sum of its proper divisors (1).

50219501 is an equidigital number, since it uses as much as digits as its factorization.

50219501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 23.

The square root of 50219501 is about 7086.5718792657. The cubic root of 50219501 is about 368.9414619625.

The spelling of 50219501 in words is "fifty million, two hundred nineteen thousand, five hundred one".