555055600 has 120 divisors (see below), whose sum is σ = 1470330000. Its totient is φ = 199680000.

The previous prime is 555055597. The next prime is 555055601. The reversal of 555055600 is 6550555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555055601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 443776 + ... + 445024.

It is an arithmetic number, because the mean of its divisors is an integer number (12252750).

Almost surely, 2^555055600 is an apocalyptic number.

555055600 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 555055600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (735165000).

555055600 is an abundant number, since it is smaller than the sum of its proper divisors (915274400).

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

555055600 is a wasteful number, since it uses less digits than its factorization.

555055600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379 (or 1368 counting only the distinct ones).

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

The square root of 555055600 is about 23559.6179935074. The cubic root of 555055600 is about 821.8240181477.

The spelling of 555055600 in words is "five hundred fifty-five million, fifty-five thousand, six hundred".