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54584545 = 510916909
BaseRepresentation
bin1101000000111…
…0010011100001
310210201011220211
43100032103201
5102433201140
65225534121
71231650421
oct320162341
9123634824
1054584545
11288a21a4
1216344341
13b402062
14736c481
154bd32ea
hex340e4e1

54584545 has 4 divisors (see below), whose sum is σ = 65501460. Its totient is φ = 43667632.

The previous prime is 54584533. The next prime is 54584557. The reversal of 54584545 is 54548545.

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

It is an interprime number because it is at equal distance from previous prime (54584533) and next prime (54584557).

It can be written as a sum of positive squares in 2 ways, for example, as 34433424 + 20151121 = 5868^2 + 4489^2 .

It is a cyclic number.

It is not a de Polignac number, because 54584545 - 25 = 54584513 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 54584498 and 54584507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5458450 + ... + 5458459.

It is an arithmetic number, because the mean of its divisors is an integer number (16375365).

Almost surely, 254584545 is an apocalyptic number.

It is an amenable number.

54584545 is a deficient number, since it is larger than the sum of its proper divisors (10916915).

54584545 is a wasteful number, since it uses less digits than its factorization.

54584545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10916914.

The product of its digits is 320000, while the sum is 40.

The square root of 54584545 is about 7388.1354210653. The cubic root of 54584545 is about 379.3352760287.

The spelling of 54584545 in words is "fifty-four million, five hundred eighty-four thousand, five hundred forty-five".

Divisors: 1 5 10916909 54584545