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550505485 = 5110101097
BaseRepresentation
bin100000110100000…
…000110000001101
31102100212120120001
4200310000300031
52111412133420
6130343124301
716433135155
oct4064006015
91370776501
10550505485
11262822a12
12134443691
138a0895ba
1453181765
15334e2b0a
hex20d00c0d

550505485 has 4 divisors (see below), whose sum is σ = 660606588. Its totient is φ = 440404384.

The previous prime is 550505453. The next prime is 550505489. The reversal of 550505485 is 584505055.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 176199076 + 374306409 = 13274^2 + 19347^2 .

It is a cyclic number.

It is not a de Polignac number, because 550505485 - 25 = 550505453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550505489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55050544 + ... + 55050553.

It is an arithmetic number, because the mean of its divisors is an integer number (165151647).

Almost surely, 2550505485 is an apocalyptic number.

It is an amenable number.

550505485 is a deficient number, since it is larger than the sum of its proper divisors (110101103).

550505485 is a wasteful number, since it uses less digits than its factorization.

550505485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110101102.

The product of its (nonzero) digits is 100000, while the sum is 37.

The square root of 550505485 is about 23462.8533004833. The cubic root of 550505485 is about 819.5721965395.

The spelling of 550505485 in words is "five hundred fifty million, five hundred five thousand, four hundred eighty-five".

Divisors: 1 5 110101097 550505485