50901289 has 2 divisors, whose sum is σ = 50901290. Its totient is φ = 50901288.

The previous prime is 50901269. The next prime is 50901299. The reversal of 50901289 is 98210905.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37454400 + 13446889 = 6120^2 + 3667^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50901289 is a prime.

It is not a weakly prime, because it can be changed into another prime (50901259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25450644 + 25450645.

It is an arithmetic number, because the mean of its divisors is an integer number (25450645).

Almost surely, 2^50901289 is an apocalyptic number.

It is an amenable number.

50901289 is a deficient number, since it is larger than the sum of its proper divisors (1).

50901289 is an equidigital number, since it uses as much as digits as its factorization.

50901289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 50901289 is about 7134.5139287831. The cubic root of 50901289 is about 370.6035656600.

The spelling of 50901289 in words is "fifty million, nine hundred one thousand, two hundred eighty-nine".