50865901 has 2 divisors, whose sum is σ = 50865902. Its totient is φ = 50865900.

The previous prime is 50865877. The next prime is 50865917. The reversal of 50865901 is 10956805.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34503876 + 16362025 = 5874^2 + 4045^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50865901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50865301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25432950 + 25432951.

It is an arithmetic number, because the mean of its divisors is an integer number (25432951).

Almost surely, 2^50865901 is an apocalyptic number.

It is an amenable number.

50865901 is a deficient number, since it is larger than the sum of its proper divisors (1).

50865901 is an equidigital number, since it uses as much as digits as its factorization.

50865901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 50865901 is about 7132.0334407517. The cubic root of 50865901 is about 370.5176610938.

The spelling of 50865901 in words is "fifty million, eight hundred sixty-five thousand, nine hundred one".