50775813 has 24 divisors (see below), whose sum is σ = 81375840. Its totient is φ = 30248160.

The previous prime is 50775811. The next prime is 50775817. The reversal of 50775813 is 31857705.

50775813 is a `hidden beast` number, since 5 + 0 + 77 + 581 + 3 = 666.

It is not a de Polignac number, because 50775813 - 2¹ = 50775811 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50775811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1495 + ... + 10187.

It is an arithmetic number, because the mean of its divisors is an integer number (3390660).

Almost surely, 2^50775813 is an apocalyptic number.

It is an amenable number.

50775813 is a deficient number, since it is larger than the sum of its proper divisors (30600027).

50775813 is a wasteful number, since it uses less digits than its factorization.

50775813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8769 (or 8766 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 36.

The square root of 50775813 is about 7125.7149115019. The cubic root of 50775813 is about 370.2987920045.

The spelling of 50775813 in words is "fifty million, seven hundred seventy-five thousand, eight hundred thirteen".