50505005533 has 2 divisors, whose sum is σ = 50505005534. Its totient is φ = 50505005532.

The previous prime is 50505005527. The next prime is 50505005563. The reversal of 50505005533 is 33550050505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42030330169 + 8474675364 = 205013^2 + 92058^2 .

It is a cyclic number.

It is not a de Polignac number, because 50505005533 - 2¹³ = 50504997341 is a prime.

It is a super-2 number, since 2×50505005533² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50505005495 and 50505005504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50505005563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25252502766 + 25252502767.

It is an arithmetic number, because the mean of its divisors is an integer number (25252502767).

Almost surely, 2^50505005533 is an apocalyptic number.

It is an amenable number.

50505005533 is a deficient number, since it is larger than the sum of its proper divisors (1).

50505005533 is an equidigital number, since it uses as much as digits as its factorization.

50505005533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28125, while the sum is 31.

The spelling of 50505005533 in words is "fifty billion, five hundred five million, five thousand, five hundred thirty-three".