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55174669 = 112455989
BaseRepresentation
bin1101001001111…
…0011000001101
310211211011102021
43102132120031
5103111042134
65250330141
71236656044
oct322363015
9124734367
1055174669
1129165600
1216589951
13b57a844
14748355b
154c9d0b4
hex349e60d

55174669 has 6 divisors (see below), whose sum is σ = 60646670. Its totient is φ = 50158680.

The previous prime is 55174661. The next prime is 55174681. The reversal of 55174669 is 96647155.

55174669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 51122500 + 4052169 = 7150^2 + 2013^2 .

It is not a de Polignac number, because 55174669 - 23 = 55174661 is a prime.

It is a super-2 number, since 2×551746692 = 6088488198519122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55174661) 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 5 ways as a sum of consecutive naturals, for example, 227874 + ... + 228115.

Almost surely, 255174669 is an apocalyptic number.

It is an amenable number.

55174669 is a deficient number, since it is larger than the sum of its proper divisors (5472001).

55174669 is a wasteful number, since it uses less digits than its factorization.

55174669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456011 (or 456000 counting only the distinct ones).

The product of its digits is 226800, while the sum is 43.

The square root of 55174669 is about 7427.9653337909. The cubic root of 55174669 is about 380.6974012022.

It can be divided in two parts, 55 and 174669, that added together give a square (174724 = 4182).

The spelling of 55174669 in words is "fifty-five million, one hundred seventy-four thousand, six hundred sixty-nine".

Divisors: 1 11 121 455989 5015879 55174669