50766781033 has 4 divisors (see below), whose sum is σ = 50767737300. Its totient is φ = 50765824768.

The previous prime is 50766780997. The next prime is 50766781049. The reversal of 50766781033 is 33018766705.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30538261504 + 20228519529 = 174752^2 + 142227^2 .

It is a cyclic number.

It is not a de Polignac number, because 50766781033 - 2²⁵ = 50733226601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50766781133) 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, 393508 + ... + 506341.

It is an arithmetic number, because the mean of its divisors is an integer number (12691934325).

Almost surely, 2^50766781033 is an apocalyptic number.

It is an amenable number.

50766781033 is a deficient number, since it is larger than the sum of its proper divisors (956267).

50766781033 is an equidigital number, since it uses as much as digits as its factorization.

50766781033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956266.

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 50766781033 in words is "fifty billion, seven hundred sixty-six million, seven hundred eighty-one thousand, thirty-three".