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55666411 = 193288427
BaseRepresentation
bin1101010001011…
…0011011101011
310212202010221221
43110112123223
5103222311121
65305042511
71244104513
oct324263353
9125663857
1055666411
1129470aa9
1216786437
13b6c0608
147570843
154d48b41
hex35166eb

55666411 has 4 divisors (see below), whose sum is σ = 55955032. Its totient is φ = 55377792.

The previous prime is 55666393. The next prime is 55666427. The reversal of 55666411 is 11466655.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 55666411 - 25 = 55666379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55666451) 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, 144021 + ... + 144406.

It is an arithmetic number, because the mean of its divisors is an integer number (13988758).

Almost surely, 255666411 is an apocalyptic number.

55666411 is a deficient number, since it is larger than the sum of its proper divisors (288621).

55666411 is a wasteful number, since it uses less digits than its factorization.

55666411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288620.

The product of its digits is 21600, while the sum is 34.

The square root of 55666411 is about 7460.9926283304. The cubic root of 55666411 is about 381.8250411758.

The spelling of 55666411 in words is "fifty-five million, six hundred sixty-six thousand, four hundred eleven".

Divisors: 1 193 288427 55666411