555500505050 has 12 divisors (see below), whose sum is σ = 1033230939486. Its totient is φ = 222200202000.

The previous prime is 555500505037. The next prime is 555500505059. The reversal of 555500505050 is 50505005555.

It can be written as a sum of positive squares in 3 ways, for example, as 542819718169 + 12680786881 = 736763^2 + 112609^2 .

It is a super-2 number, since 2×555500505050² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 555500505050.

It is not an unprimeable number, because it can be changed into a prime (555500505059) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5555005001 + ... + 5555005100.

Almost surely, 2^555500505050 is an apocalyptic number.

555500505050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

555500505050 is a deficient number, since it is larger than the sum of its proper divisors (477730434436).

555500505050 is a wasteful number, since it uses less digits than its factorization.

555500505050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11110010113 (or 11110010108 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 555500505050 in words is "five hundred fifty-five billion, five hundred million, five hundred five thousand, fifty".