5555504550 has 48 divisors (see below), whose sum is σ = 13862237760. Its totient is φ = 1472372640.

The previous prime is 5555504533. The next prime is 5555504569. The reversal of 5555504550 is 554055555.

It is a junction number, because it is equal to n+sod(n) for n = 5555504499 and 5555504508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89160 + ... + 138059.

It is an arithmetic number, because the mean of its divisors is an integer number (288796620).

Almost surely, 2^5555504550 is an apocalyptic number.

5555504550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5555504550 is an abundant number, since it is smaller than the sum of its proper divisors (8306733210).

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

5555504550 is a wasteful number, since it uses less digits than its factorization.

5555504550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227397 (or 227392 counting only the distinct ones).

The product of its (nonzero) digits is 312500, while the sum is 39.

The square root of 5555504550 is about 74535.2570935393. The cubic root of 5555504550 is about 1771.0921951387.

The spelling of 5555504550 in words is "five billion, five hundred fifty-five million, five hundred four thousand, five hundred fifty".