551928000 has 448 divisors, whose sum is σ = 2063617920. Its totient is φ = 129024000.

The previous prime is 551927993. The next prime is 551928011. The reversal of 551928000 is 829155.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9047970 + ... + 9048030.

It is an arithmetic number, because the mean of its divisors is an integer number (4606290).

Almost surely, 2^551928000 is an apocalyptic number.

551928000 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 551928000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1031808960).

551928000 is an abundant number, since it is smaller than the sum of its proper divisors (1511689920).

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

551928000 is a wasteful number, since it uses less digits than its factorization.

551928000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 551928000 is about 23493.1479372178. The cubic root of 551928000 is about 820.2775185990.

The spelling of 551928000 in words is "five hundred fifty-one million, nine hundred twenty-eight thousand".