50572913 has 2 divisors, whose sum is σ = 50572914. Its totient is φ = 50572912.

The previous prime is 50572903. The next prime is 50572957. The reversal of 50572913 is 31927505.

50572913 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 can be written as a sum of positive squares in only one way, i.e., 43983424 + 6589489 = 6632^2 + 2567^2 .

It is a cyclic number.

It is not a de Polignac number, because 50572913 - 2¹⁴ = 50556529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50572913.

It is not a weakly prime, because it can be changed into another prime (50572903) 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, 25286456 + 25286457.

It is an arithmetic number, because the mean of its divisors is an integer number (25286457).

Almost surely, 2^50572913 is an apocalyptic number.

It is an amenable number.

50572913 is a deficient number, since it is larger than the sum of its proper divisors (1).

50572913 is an equidigital number, since it uses as much as digits as its factorization.

50572913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 50572913 is about 7111.4634921372. The cubic root of 50572913 is about 369.8048959206.

The spelling of 50572913 in words is "fifty million, five hundred seventy-two thousand, nine hundred thirteen".