50518807 has 2 divisors, whose sum is σ = 50518808. Its totient is φ = 50518806.

The previous prime is 50518763. The next prime is 50518813. The reversal of 50518807 is 70881505.

50518807 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50518807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50518817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25259403 + 25259404.

It is an arithmetic number, because the mean of its divisors is an integer number (25259404).

Almost surely, 2^50518807 is an apocalyptic number.

50518807 is a deficient number, since it is larger than the sum of its proper divisors (1).

50518807 is an equidigital number, since it uses as much as digits as its factorization.

50518807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11200, while the sum is 34.

The square root of 50518807 is about 7107.6583345009. The cubic root of 50518807 is about 369.6729688853.

The spelling of 50518807 in words is "fifty million, five hundred eighteen thousand, eight hundred seven".