551284160 has 224 divisors, whose sum is σ = 1643286528. Its totient is φ = 171786240.

The previous prime is 551284121. The next prime is 551284163. The reversal of 551284160 is 61482155.

551284160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551284163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1180247 + ... + 1180713.

Almost surely, 2^551284160 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551284160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (821643264).

551284160 is an abundant number, since it is smaller than the sum of its proper divisors (1092002368).

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

551284160 is a wasteful number, since it uses less digits than its factorization.

551284160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539 (or 529 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 551284160 is about 23479.4412199268. The cubic root of 551284160 is about 819.9584353312.

The spelling of 551284160 in words is "five hundred fifty-one million, two hundred eighty-four thousand, one hundred sixty".