500050505501 has 4 divisors (see below), whose sum is σ = 502253371392. Its totient is φ = 497847639612.

The previous prime is 500050505473. The next prime is 500050505503. The reversal of 500050505501 is 105505050005.

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 500050505501 - 2²⁶ = 499983396637 is a prime.

It is a super-2 number, since 2×500050505501² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500050505503) 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, 1101432605 + ... + 1101433058.

It is an arithmetic number, because the mean of its divisors is an integer number (125563342848).

Almost surely, 2^500050505501 is an apocalyptic number.

It is an amenable number.

500050505501 is a deficient number, since it is larger than the sum of its proper divisors (2202865891).

500050505501 is a wasteful number, since it uses less digits than its factorization.

500050505501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202865890.

The product of its (nonzero) digits is 3125, while the sum is 26.

Adding to 500050505501 its reverse (105505050005), we get a palindrome (605555555506).

The spelling of 500050505501 in words is "five hundred billion, fifty million, five hundred five thousand, five hundred one".