50815783 has 2 divisors, whose sum is σ = 50815784. Its totient is φ = 50815782.

The previous prime is 50815777. The next prime is 50815841. The reversal of 50815783 is 38751805.

50815783 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50815783 - 2¹³ = 50807591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50815733) 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, 25407891 + 25407892.

It is an arithmetic number, because the mean of its divisors is an integer number (25407892).

Almost surely, 2^50815783 is an apocalyptic number.

50815783 is a deficient number, since it is larger than the sum of its proper divisors (1).

50815783 is an equidigital number, since it uses as much as digits as its factorization.

50815783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 50815783 is about 7128.5189906460. The cubic root of 50815783 is about 370.3959311728.

The spelling of 50815783 in words is "fifty million, eight hundred fifteen thousand, seven hundred eighty-three".