555505550550 has 96 divisors (see below), whose sum is σ = 1530972204960. Its totient is φ = 148111027200.

The previous prime is 555505550549. The next prime is 555505550563. The reversal of 555505550550 is 55055505555.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 555505550496 and 555505550505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9367794 + ... + 9426906.

It is an arithmetic number, because the mean of its divisors is an integer number (15947627135).

Almost surely, 2^555505550550 is an apocalyptic number.

555505550550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

555505550550 is an abundant number, since it is smaller than the sum of its proper divisors (975466654410).

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

555505550550 is a wasteful number, since it uses less digits than its factorization.

555505550550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66095 (or 66084 counting only the distinct ones).

The product of its (nonzero) digits is 1953125, while the sum is 45.

It can be divided in two parts, 5 and 55505550550, that added together give a palindrome (55505550555).

The spelling of 555505550550 in words is "five hundred fifty-five billion, five hundred five million, five hundred fifty thousand, five hundred fifty".