50901397 has 2 divisors, whose sum is σ = 50901398. Its totient is φ = 50901396.

The previous prime is 50901373. The next prime is 50901401. The reversal of 50901397 is 79310905.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26635921 + 24265476 = 5161^2 + 4926^2 .

It is a cyclic number.

It is not a de Polignac number, because 50901397 - 2⁷ = 50901269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50901317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25450698 + 25450699.

It is an arithmetic number, because the mean of its divisors is an integer number (25450699).

Almost surely, 2^50901397 is an apocalyptic number.

It is an amenable number.

50901397 is a deficient number, since it is larger than the sum of its proper divisors (1).

50901397 is an equidigital number, since it uses as much as digits as its factorization.

50901397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8505, while the sum is 34.

The square root of 50901397 is about 7134.5214976199. The cubic root of 50901397 is about 370.6038277696.

The spelling of 50901397 in words is "fifty million, nine hundred one thousand, three hundred ninety-seven".