50565161493 has 40 divisors (see below), whose sum is σ = 94174280640. Its totient is φ = 26267613120.

The previous prime is 50565161489. The next prime is 50565161513. The reversal of 50565161493 is 39416156505.

50565161493 is a `hidden beast` number, since 5 + 0 + 56 + 51 + 61 + 493 = 666.

50565161493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50565161493 - 2² = 50565161489 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 (50565165493) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4047408 + ... + 4059881.

It is an arithmetic number, because the mean of its divisors is an integer number (2354357016).

Almost surely, 2^50565161493 is an apocalyptic number.

It is an amenable number.

50565161493 is a deficient number, since it is larger than the sum of its proper divisors (43609119147).

50565161493 is a wasteful number, since it uses less digits than its factorization.

50565161493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8107319 (or 8107310 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 45.

The spelling of 50565161493 in words is "fifty billion, five hundred sixty-five million, one hundred sixty-one thousand, four hundred ninety-three".