50564193885 has 24 divisors (see below), whose sum is σ = 87729692544. Its totient is φ = 26941388640.

The previous prime is 50564193791. The next prime is 50564193907. The reversal of 50564193885 is 58839146505.

50564193885 is a `hidden beast` number, since 505 + 6 + 41 + 93 + 8 + 8 + 5 = 666.

It is not a de Polignac number, because 50564193885 - 2¹² = 50564189789 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 498537 + ... + 591326.

It is an arithmetic number, because the mean of its divisors is an integer number (3655403856).

Almost surely, 2^50564193885 is an apocalyptic number.

It is an amenable number.

50564193885 is a deficient number, since it is larger than the sum of its proper divisors (37165498659).

50564193885 is a wasteful number, since it uses less digits than its factorization.

50564193885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090905 (or 1090902 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 54.

The spelling of 50564193885 in words is "fifty billion, five hundred sixty-four million, one hundred ninety-three thousand, eight hundred eighty-five".