551472768 has 192 divisors, whose sum is σ = 1978816320. Its totient is φ = 143216640.

The previous prime is 551472767. The next prime is 551472773. The reversal of 551472768 is 867274155.

551472768 is a `hidden beast` number, since 5 + 514 + 72 + 7 + 68 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551472767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85596 + ... + 91812.

It is an arithmetic number, because the mean of its divisors is an integer number (10306335).

Almost surely, 2^551472768 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 551472768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (989408160).

551472768 is an abundant number, since it is smaller than the sum of its proper divisors (1427343552).

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

551472768 is a wasteful number, since it uses less digits than its factorization.

551472768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6255 (or 6240 counting only the distinct ones).

The product of its digits is 470400, while the sum is 45.

The square root of 551472768 is about 23483.4573263819. The cubic root of 551472768 is about 820.0519340496.

The spelling of 551472768 in words is "five hundred fifty-one million, four hundred seventy-two thousand, seven hundred sixty-eight".