555020800 has 120 divisors (see below), whose sum is σ = 1389790512. Its totient is φ = 219648000.

The previous prime is 555020789. The next prime is 555020801. The reversal of 555020800 is 8020555.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (555020801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1676635 + ... + 1676965.

Almost surely, 2^555020800 is an apocalyptic number.

555020800 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 555020800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (694895256).

555020800 is an abundant number, since it is smaller than the sum of its proper divisors (834769712).

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

555020800 is a wasteful number, since it uses less digits than its factorization.

555020800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490 (or 469 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 555020800 is about 23558.8794300578. The cubic root of 555020800 is about 821.8068426470.

The spelling of 555020800 in words is "five hundred fifty-five million, twenty thousand, eight hundred".