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55076569 = 191288359
BaseRepresentation
bin1101001000011…
…0011011011001
310211122011211221
43102012123121
5103044422234
65244252041
71236100042
oct322063331
9124564757
1055076569
11290a8929
1216541021
13b544cb2
1474598c9
154c7deb4
hex34866d9

55076569 has 4 divisors (see below), whose sum is σ = 55365120. Its totient is φ = 54788020.

The previous prime is 55076563. The next prime is 55076587. The reversal of 55076569 is 96567055.

55076569 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55076569 - 25 = 55076537 is a prime.

It is a super-2 number, since 2×550765692 = 6066856905623522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55076563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143989 + ... + 144370.

It is an arithmetic number, because the mean of its divisors is an integer number (13841280).

Almost surely, 255076569 is an apocalyptic number.

It is an amenable number.

55076569 is a deficient number, since it is larger than the sum of its proper divisors (288551).

55076569 is a wasteful number, since it uses less digits than its factorization.

55076569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288550.

The product of its (nonzero) digits is 283500, while the sum is 43.

The square root of 55076569 is about 7421.3589725872. The cubic root of 55076569 is about 380.4716419817.

The spelling of 55076569 in words is "fifty-five million, seventy-six thousand, five hundred sixty-nine".

Divisors: 1 191 288359 55076569