50540445321 has 4 divisors (see below), whose sum is σ = 67387260432. Its totient is φ = 33693630212.

The previous prime is 50540445317. The next prime is 50540445323. The reversal of 50540445321 is 12354404505.

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 not a de Polignac number, because 50540445321 - 2² = 50540445317 is a prime.

It is a super-2 number, since 2×50540445321² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50540445323) 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, 8423407551 + ... + 8423407556.

It is an arithmetic number, because the mean of its divisors is an integer number (16846815108).

Almost surely, 2^50540445321 is an apocalyptic number.

It is an amenable number.

50540445321 is a deficient number, since it is larger than the sum of its proper divisors (16846815111).

50540445321 is a wasteful number, since it uses less digits than its factorization.

50540445321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16846815110.

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 50540445321 its reverse (12354404505), we get a palindrome (62894849826).

It can be divided in two parts, 505404 and 45321, that added together give a triangular number (550725 = T₁₀₄₉).

The spelling of 50540445321 in words is "fifty billion, five hundred forty million, four hundred forty-five thousand, three hundred twenty-one".