50215723 has 2 divisors, whose sum is σ = 50215724. Its totient is φ = 50215722.

The previous prime is 50215703. The next prime is 50215741. The reversal of 50215723 is 32751205.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50215723 is a prime.

It is not a weakly prime, because it can be changed into another prime (50215703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25107861 + 25107862.

It is an arithmetic number, because the mean of its divisors is an integer number (25107862).

Almost surely, 2^50215723 is an apocalyptic number.

50215723 is a deficient number, since it is larger than the sum of its proper divisors (1).

50215723 is an equidigital number, since it uses as much as digits as its factorization.

50215723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 50215723 is about 7086.3053137725. The cubic root of 50215723 is about 368.9322099404.

Adding to 50215723 its reverse (32751205), we get a palindrome (82966928).

The spelling of 50215723 in words is "fifty million, two hundred fifteen thousand, seven hundred twenty-three".