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55171426 = 2171978237
BaseRepresentation
bin1101001001110…
…1100101100010
310211210222222011
43102131211202
5103110441201
65250303134
71236643432
oct322354542
9124728864
1055171426
1129163122
1216587aaa
13b57921b
1474822c2
154c9c151
hex349d962

55171426 has 16 divisors (see below), whose sum is σ = 88080696. Its totient is φ = 25828096.

The previous prime is 55171423. The next prime is 55171433. The reversal of 55171426 is 62417155.

55171426 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 4 ways, for example, as 54037201 + 1134225 = 7351^2 + 1065^2 .

It is not an unprimeable number, because it can be changed into a prime (55171423) 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 7 ways as a sum of consecutive naturals, for example, 2580 + ... + 10816.

Almost surely, 255171426 is an apocalyptic number.

55171426 is a deficient number, since it is larger than the sum of its proper divisors (32909270).

55171426 is a wasteful number, since it uses less digits than its factorization.

55171426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8453.

The product of its digits is 8400, while the sum is 31.

The square root of 55171426 is about 7427.7470339262. The cubic root of 55171426 is about 380.6899423092.

The spelling of 55171426 in words is "fifty-five million, one hundred seventy-one thousand, four hundred twenty-six".

Divisors: 1 2 17 34 197 394 3349 6698 8237 16474 140029 280058 1622689 3245378 27585713 55171426