555100054550 has 12 divisors (see below), whose sum is σ = 1032486101556. Its totient is φ = 222040021800.

The previous prime is 555100054543. The next prime is 555100054577. The reversal of 555100054550 is 55450001555.

It is a happy number.

It is a super-2 number, since 2×555100054550² (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 555100054550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5551000496 + ... + 5551000595.

It is an arithmetic number, because the mean of its divisors is an integer number (86040508463).

Almost surely, 2^555100054550 is an apocalyptic number.

555100054550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

555100054550 is a deficient number, since it is larger than the sum of its proper divisors (477386047006).

555100054550 is a wasteful number, since it uses less digits than its factorization.

555100054550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11102001103 (or 11102001098 counting only the distinct ones).

The product of its (nonzero) digits is 62500, while the sum is 35.

The spelling of 555100054550 in words is "five hundred fifty-five billion, one hundred million, fifty-four thousand, five hundred fifty".