551332116 has 96 divisors (see below), whose sum is σ = 1476236160. Its totient is φ = 177811200.

The previous prime is 551332109. The next prime is 551332121. The reversal of 551332116 is 611233155.

551332116 is a `hidden beast` number, since 5 + 513 + 32 + 116 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 551332116.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1122631 + ... + 1123121.

It is an arithmetic number, because the mean of its divisors is an integer number (15377460).

Almost surely, 2^551332116 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 551332116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (738118080).

551332116 is an abundant number, since it is smaller than the sum of its proper divisors (924904044).

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

551332116 is a wasteful number, since it uses less digits than its factorization.

551332116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822 (or 814 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 551332116 is about 23480.4624315621. The cubic root of 551332116 is about 819.9822105996.

The spelling of 551332116 in words is "five hundred fifty-one million, three hundred thirty-two thousand, one hundred sixteen".