50434161853 has 4 divisors (see below), whose sum is σ = 50596329888. Its totient is φ = 50271993820.

The previous prime is 50434161847. The next prime is 50434161917. The reversal of 50434161853 is 35816143405.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50434161853 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50434161553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81083551 + ... + 81084172.

It is an arithmetic number, because the mean of its divisors is an integer number (12649082472).

Almost surely, 2^50434161853 is an apocalyptic number.

It is an amenable number.

50434161853 is a deficient number, since it is larger than the sum of its proper divisors (162168035).

50434161853 is a wasteful number, since it uses less digits than its factorization.

50434161853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162168034.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 50434161853 in words is "fifty billion, four hundred thirty-four million, one hundred sixty-one thousand, eight hundred fifty-three".