551016055 has 16 divisors (see below), whose sum is σ = 701117280. Its totient is φ = 414554112.

The previous prime is 551016049. The next prime is 551016071. The reversal of 551016055 is 550610155.

It is a cyclic number.

It is not a de Polignac number, because 551016055 - 2¹⁵ = 550983287 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8154 + ... + 34183.

It is an arithmetic number, because the mean of its divisors is an integer number (43819830).

Almost surely, 2^551016055 is an apocalyptic number.

551016055 is a deficient number, since it is larger than the sum of its proper divisors (150101225).

551016055 is a wasteful number, since it uses less digits than its factorization.

551016055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42498.

The product of its (nonzero) digits is 3750, while the sum is 28.

The square root of 551016055 is about 23473.7311691175. The cubic root of 551016055 is about 819.8254908238.

The spelling of 551016055 in words is "five hundred fifty-one million, sixteen thousand, fifty-five".