551471976 has 384 divisors, whose sum is σ = 1882258560. Its totient is φ = 149299200.

The previous prime is 551471957. The next prime is 551472007. The reversal of 551471976 is 679174155.

551471976 is a `hidden beast` number, since 551 + 4 + 7 + 1 + 97 + 6 = 666.

551471976 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13450516 + ... + 13450556.

It is an arithmetic number, because the mean of its divisors is an integer number (4901715).

Almost surely, 2^551471976 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 551471976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (941129280).

551471976 is an abundant number, since it is smaller than the sum of its proper divisors (1330786584).

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

551471976 is a wasteful number, since it uses less digits than its factorization.

551471976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127 (or 111 counting only the distinct ones).

The product of its digits is 264600, while the sum is 45.

The square root of 551471976 is about 23483.4404634415. The cubic root of 551471976 is about 820.0515414757.

The spelling of 551471976 in words is "five hundred fifty-one million, four hundred seventy-one thousand, nine hundred seventy-six".