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55059471 = 3235917041
BaseRepresentation
bin1101001000001…
…0010000001111
310211121022101200
43102002100033
5103043400341
65244040543
71235666145
oct322022017
9124538350
1055059471
1129096aa5
1216533153
13b53a28c
147453595
154c78db6
hex348240f

55059471 has 12 divisors (see below), whose sum is σ = 79756560. Its totient is φ = 36601920.

The previous prime is 55059463. The next prime is 55059491. The reversal of 55059471 is 17495055.

It is not a de Polignac number, because 55059471 - 23 = 55059463 is a prime.

It is a super-3 number, since 3×550594713 (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55059451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5290 + ... + 11751.

It is an arithmetic number, because the mean of its divisors is an integer number (6646380).

Almost surely, 255059471 is an apocalyptic number.

55059471 is a deficient number, since it is larger than the sum of its proper divisors (24697089).

55059471 is a wasteful number, since it uses less digits than its factorization.

55059471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17406 (or 17403 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The square root of 55059471 is about 7420.2069378151. The cubic root of 55059471 is about 380.4322666324.

The spelling of 55059471 in words is "fifty-five million, fifty-nine thousand, four hundred seventy-one".

Divisors: 1 3 9 359 1077 3231 17041 51123 153369 6117719 18353157 55059471