50555893 has 2 divisors, whose sum is σ = 50555894. Its totient is φ = 50555892.

The previous prime is 50555891. The next prime is 50555899. The reversal of 50555893 is 39855505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44395569 + 6160324 = 6663^2 + 2482^2 .

It is a cyclic number.

It is not a de Polignac number, because 50555893 - 2¹ = 50555891 is a prime.

Together with 50555891, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50555891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25277946 + 25277947.

It is an arithmetic number, because the mean of its divisors is an integer number (25277947).

Almost surely, 2^50555893 is an apocalyptic number.

It is an amenable number.

50555893 is a deficient number, since it is larger than the sum of its proper divisors (1).

50555893 is an equidigital number, since it uses as much as digits as its factorization.

50555893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135000, while the sum is 40.

The square root of 50555893 is about 7110.2667319869. The cubic root of 50555893 is about 369.7634060850.

The spelling of 50555893 in words is "fifty million, five hundred fifty-five thousand, eight hundred ninety-three".