50645436433 has 4 divisors (see below), whose sum is σ = 50649573940. Its totient is φ = 50641298928.

The previous prime is 50645436313. The next prime is 50645436451. The reversal of 50645436433 is 33463454605.

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 23633527824 + 27011908609 = 153732^2 + 164353^2 .

It is a cyclic number.

It is not a de Polignac number, because 50645436433 - 2³³ = 42055501841 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50645436433.

It is not an unprimeable number, because it can be changed into a prime (50645436463) 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, 2050338 + ... + 2074891.

It is an arithmetic number, because the mean of its divisors is an integer number (12662393485).

Almost surely, 2^50645436433 is an apocalyptic number.

It is an amenable number.

50645436433 is a deficient number, since it is larger than the sum of its proper divisors (4137507).

50645436433 is a wasteful number, since it uses less digits than its factorization.

50645436433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4137506.

The product of its (nonzero) digits is 1555200, while the sum is 43.

The spelling of 50645436433 in words is "fifty billion, six hundred forty-five million, four hundred thirty-six thousand, four hundred thirty-three".