50320053531 has 24 divisors (see below), whose sum is σ = 79947532080. Its totient is φ = 30496994880.

The previous prime is 50320053419. The next prime is 50320053541. The reversal of 50320053531 is 13535002305.

50320053531 is a `hidden beast` number, since 50 + 32 + 0 + 0 + 53 + 531 = 666.

It is not a de Polignac number, because 50320053531 - 2¹⁰ = 50320052507 is a prime.

It is a super-2 number, since 2×50320053531² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50320053495 and 50320053504.

It is not an unprimeable number, because it can be changed into a prime (50320053541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2088366 + ... + 2112323.

It is an arithmetic number, because the mean of its divisors is an integer number (3331147170).

Almost surely, 2^50320053531 is an apocalyptic number.

50320053531 is a deficient number, since it is larger than the sum of its proper divisors (29627478549).

50320053531 is a wasteful number, since it uses less digits than its factorization.

50320053531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4200728 (or 4200703 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

Adding to 50320053531 its reverse (13535002305), we get a palindrome (63855055836).

It can be divided in two parts, 5032005 and 3531, that added together give a square (5035536 = 2244²).

The spelling of 50320053531 in words is "fifty billion, three hundred twenty million, fifty-three thousand, five hundred thirty-one".