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551010055 = 5713534397
BaseRepresentation
bin100000110101111…
…011111100000111
31102101211012200211
4200311323330013
52112024310210
6130402020251
716440336211
oct4065737407
91371735624
10551010055
11263038012
12134647687
138a20516b
14532735b1
153359238a
hex20d7bf07

551010055 has 16 divisors (see below), whose sum is σ = 672577344. Its totient is φ = 433269760.

The previous prime is 551010043. The next prime is 551010071. The reversal of 551010055 is 550010155.

It is a de Polignac number, because none of the positive numbers 2k-551010055 is a prime.

It is a super-2 number, since 2×5510100552 = 607224161422206050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123117 + ... + 127513.

It is an arithmetic number, because the mean of its divisors is an integer number (42036084).

Almost surely, 2551010055 is an apocalyptic number.

551010055 is a deficient number, since it is larger than the sum of its proper divisors (121567289).

551010055 is a wasteful number, since it uses less digits than its factorization.

551010055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4826.

The product of its (nonzero) digits is 625, while the sum is 22.

The square root of 551010055 is about 23473.6033663347. The cubic root of 551010055 is about 819.8225151266.

It can be divided in two parts, 5510100 and 55, that added together give a palindrome (5510155).

The spelling of 551010055 in words is "five hundred fifty-one million, ten thousand, fifty-five".

Divisors: 1 5 71 353 355 1765 4397 21985 25063 125315 312187 1552141 1560935 7760705 110202011 551010055