551454400 has 168 divisors, whose sum is σ = 1581729120. Its totient is φ = 185303040.

The previous prime is 551454391. The next prime is 551454427. The reversal of 551454400 is 4454155.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 593136 + ... + 594064.

Almost surely, 2^551454400 is an apocalyptic number.

551454400 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 551454400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (790864560).

551454400 is an abundant number, since it is smaller than the sum of its proper divisors (1030274720).

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

551454400 is a wasteful number, since it uses less digits than its factorization.

551454400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011 (or 996 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 551454400 is about 23483.0662393138. The cubic root of 551454400 is about 820.0428294108.

The spelling of 551454400 in words is "five hundred fifty-one million, four hundred fifty-four thousand, four hundred".