50899397 has 2 divisors, whose sum is σ = 50899398. Its totient is φ = 50899396.

The previous prime is 50899393. The next prime is 50899417. The reversal of 50899397 is 79399805.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48080356 + 2819041 = 6934^2 + 1679^2 .

It is a cyclic number.

It is not a de Polignac number, because 50899397 - 2² = 50899393 is a prime.

It is a super-2 number, since 2×50899397² = 5181497229927218, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50899393) 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, 25449698 + 25449699.

It is an arithmetic number, because the mean of its divisors is an integer number (25449699).

Almost surely, 2^50899397 is an apocalyptic number.

It is an amenable number.

50899397 is a deficient number, since it is larger than the sum of its proper divisors (1).

50899397 is an equidigital number, since it uses as much as digits as its factorization.

50899397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 612360, while the sum is 50.

The square root of 50899397 is about 7134.3813326735. The cubic root of 50899397 is about 370.5989738271.

The spelling of 50899397 in words is "fifty million, eight hundred ninety-nine thousand, three hundred ninety-seven".