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55673545 = 513218429
BaseRepresentation
bin1101010001100…
…0001011001001
310212202111202011
43110120023021
5103223023140
65305135521
71244134354
oct324301311
9125674664
1055673545
11294763a4
121678a5a1
13b6c3935
14757329b
154d4acea
hex35182c9

55673545 has 8 divisors (see below), whose sum is σ = 66866760. Its totient is φ = 44499840.

The previous prime is 55673537. The next prime is 55673573. The reversal of 55673545 is 54537655.

It can be written as a sum of positive squares in 4 ways, for example, as 8173881 + 47499664 = 2859^2 + 6892^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55673545 - 23 = 55673537 is a prime.

It is a super-2 number, since 2×556735452 = 6199087225734050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55673498 and 55673507.

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 7 ways as a sum of consecutive naturals, for example, 2391 + ... + 10819.

It is an arithmetic number, because the mean of its divisors is an integer number (8358345).

Almost surely, 255673545 is an apocalyptic number.

It is an amenable number.

55673545 is a deficient number, since it is larger than the sum of its proper divisors (11193215).

55673545 is a wasteful number, since it uses less digits than its factorization.

55673545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9755.

The product of its digits is 315000, while the sum is 40.

The square root of 55673545 is about 7461.4706995337. The cubic root of 55673545 is about 381.8413515710.

The spelling of 55673545 in words is "fifty-five million, six hundred seventy-three thousand, five hundred forty-five".

Divisors: 1 5 1321 6605 8429 42145 11134709 55673545