551051116 has 48 divisors (see below), whose sum is σ = 1206761472. Its totient is φ = 213897600.

The previous prime is 551051113. The next prime is 551051119. The reversal of 551051116 is 611150155.

551051116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (551051113) and next prime (551051119).

It is not an unprimeable number, because it can be changed into a prime (551051113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83365 + ... + 89731.

It is an arithmetic number, because the mean of its divisors is an integer number (25140864).

Almost surely, 2^551051116 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 551051116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (603380736).

551051116 is an abundant number, since it is smaller than the sum of its proper divisors (655710356).

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

551051116 is a wasteful number, since it uses less digits than its factorization.

551051116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6670 (or 6668 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 25.

The square root of 551051116 is about 23474.4779707665. The cubic root of 551051116 is about 819.8428788785.

The spelling of 551051116 in words is "five hundred fifty-one million, fifty-one thousand, one hundred sixteen".