50853850881 has 8 divisors (see below), whose sum is σ = 71793671904. Its totient is φ = 31908298560.

The previous prime is 50853850843. The next prime is 50853850897. The reversal of 50853850881 is 18805835805.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50853850881 - 2¹⁹ = 50853326593 is a prime.

It is a super-2 number, since 2×50853850881² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 997134331 = 50853850881 / (5 + 0 + 8 + 5 + 3 + 8 + 5 + 0 + 8 + 8 + 1).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50853850841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498567115 + ... + 498567216.

It is an arithmetic number, because the mean of its divisors is an integer number (8974208988).

Almost surely, 2^50853850881 is an apocalyptic number.

50853850881 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

50853850881 is a deficient number, since it is larger than the sum of its proper divisors (20939821023).

50853850881 is a wasteful number, since it uses less digits than its factorization.

50853850881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997134351.

The product of its (nonzero) digits is 1536000, while the sum is 51.

The spelling of 50853850881 in words is "fifty billion, eight hundred fifty-three million, eight hundred fifty thousand, eight hundred eighty-one".