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550505055 = 3537991901
BaseRepresentation
bin100000110100000…
…000101001011111
31102100212112222010
4200310000221133
52111412130210
6130343122303
716433134002
oct4064005137
91370775863
10550505055
11262822661
12134443393
138a089349
1453181539
15334e2920
hex20d00a5f

550505055 has 16 divisors (see below), whose sum is σ = 904614624. Its totient is φ = 285667200.

The previous prime is 550505029. The next prime is 550505063.

550505055 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 550505055 - 29 = 550504543 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, 495396 + ... + 496505.

It is an arithmetic number, because the mean of its divisors is an integer number (56538414).

Almost surely, 2550505055 is an apocalyptic number.

550505055 is a deficient number, since it is larger than the sum of its proper divisors (354109569).

550505055 is a wasteful number, since it uses less digits than its factorization.

550505055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991946.

The product of its (nonzero) digits is 15625, while the sum is 30.

The square root of 550505055 is about 23462.8441370606. The cubic root of 550505055 is about 819.5719831501.

The spelling of 550505055 in words is "five hundred fifty million, five hundred five thousand, fifty-five".

Divisors: 1 3 5 15 37 111 185 555 991901 2975703 4959505 14878515 36700337 110101011 183501685 550505055