550555600 has 240 divisors, whose sum is σ = 1611896832. Its totient is φ = 176647680.

The previous prime is 550555547. The next prime is 550555613. The reversal of 550555600 is 6555055.

It is a super-2 number, since 2×550555600² = 606222937382720000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5345149 + ... + 5345251.

Almost surely, 2^550555600 is an apocalyptic number.

550555600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550555600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (805948416).

550555600 is an abundant number, since it is smaller than the sum of its proper divisors (1061341232).

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

550555600 is a wasteful number, since it uses less digits than its factorization.

550555600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 31.

The square root of 550555600 is about 23463.9212409179. The cubic root of 550555600 is about 819.5970655707.

It can be divided in two parts, 550555 and 600, that added together give a palindrome (551155).

The spelling of 550555600 in words is "five hundred fifty million, five hundred fifty-five thousand, six hundred".