50861089 has 2 divisors, whose sum is σ = 50861090. Its totient is φ = 50861088.

The previous prime is 50861047. The next prime is 50861101. The reversal of 50861089 is 98016805.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43996689 + 6864400 = 6633^2 + 2620^2 .

It is a cyclic number.

It is not a de Polignac number, because 50861089 - 2¹¹ = 50859041 is a prime.

It is not a weakly prime, because it can be changed into another prime (50861029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25430544 + 25430545.

It is an arithmetic number, because the mean of its divisors is an integer number (25430545).

Almost surely, 2^50861089 is an apocalyptic number.

It is an amenable number.

50861089 is a deficient number, since it is larger than the sum of its proper divisors (1).

50861089 is an equidigital number, since it uses as much as digits as its factorization.

50861089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 50861089 is about 7131.6960815784. The cubic root of 50861089 is about 370.5059768602.

The spelling of 50861089 in words is "fifty million, eight hundred sixty-one thousand, eighty-nine".