505555001050 has 96 divisors (see below), whose sum is σ = 1080261126720. Its totient is φ = 174089318400.

The previous prime is 505555001033. The next prime is 505555001051. The reversal of 505555001050 is 50100555505.

It is a super-2 number, since 2×505555001050² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (505555001051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28760064 + ... + 28777636.

It is an arithmetic number, because the mean of its divisors is an integer number (11252720070).

Almost surely, 2^505555001050 is an apocalyptic number.

505555001050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505555001050 is an abundant number, since it is smaller than the sum of its proper divisors (574706125670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505555001050 is a wasteful number, since it uses less digits than its factorization.

505555001050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20368 (or 20363 counting only the distinct ones).

The product of its (nonzero) digits is 15625, while the sum is 31.

Adding to 505555001050 its reverse (50100555505), we get a palindrome (555655556555).

The spelling of 505555001050 in words is "five hundred five billion, five hundred fifty-five million, one thousand, fifty".