50144309 has 2 divisors, whose sum is σ = 50144310. Its totient is φ = 50144308.

The previous prime is 50144293. The next prime is 50144317. The reversal of 50144309 is 90344105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50098084 + 46225 = 7078^2 + 215^2 .

It is a cyclic number.

It is not a de Polignac number, because 50144309 - 2⁴ = 50144293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50144009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25072154 + 25072155.

It is an arithmetic number, because the mean of its divisors is an integer number (25072155).

Almost surely, 2^50144309 is an apocalyptic number.

It is an amenable number.

50144309 is a deficient number, since it is larger than the sum of its proper divisors (1).

50144309 is an equidigital number, since it uses as much as digits as its factorization.

50144309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 50144309 is about 7081.2646469398. The cubic root of 50144309 is about 368.7572353651.

The spelling of 50144309 in words is "fifty million, one hundred forty-four thousand, three hundred nine".