50040505433521 has 8 divisors (see below), whose sum is σ = 50439530373120. Its totient is φ = 49641558700608.

The previous prime is 50040505433497. The next prime is 50040505433531. The reversal of 50040505433521 is 12533450504005.

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

It is a cyclic number.

It is not a de Polignac number, because 50040505433521 - 2²³ = 50040497044913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50040505433531) 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, 18266536 + ... + 20826601.

It is an arithmetic number, because the mean of its divisors is an integer number (6304941296640).

Almost surely, 2^{50040505433521} is an apocalyptic number.

It is an amenable number.

50040505433521 is a deficient number, since it is larger than the sum of its proper divisors (399024939599).

50040505433521 is a wasteful number, since it uses less digits than its factorization.

50040505433521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39103343.

The product of its (nonzero) digits is 180000, while the sum is 37.

Adding to 50040505433521 its reverse (12533450504005), we get a palindrome (62573955937526).

The spelling of 50040505433521 in words is "fifty trillion, forty billion, five hundred five million, four hundred thirty-three thousand, five hundred twenty-one".