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55560471 = 3171089421
BaseRepresentation
bin1101001111110…
…0100100010111
310212112202122020
43103330210113
5103210413341
65302504223
71243153611
oct323744427
9125482566
1055560471
11293a944a
1216735073
13b684325
147543db1
154d27566
hex34fc917

55560471 has 8 divisors (see below), whose sum is σ = 78438384. Its totient is φ = 34861440.

The previous prime is 55560467. The next prime is 55560473. The reversal of 55560471 is 17406555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55560471 - 22 = 55560467 is a prime.

It is a super-3 number, since 3×555604713 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55560473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544660 + ... + 544761.

It is an arithmetic number, because the mean of its divisors is an integer number (9804798).

Almost surely, 255560471 is an apocalyptic number.

55560471 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

55560471 is a deficient number, since it is larger than the sum of its proper divisors (22877913).

55560471 is a wasteful number, since it uses less digits than its factorization.

55560471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089441.

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 55560471 is about 7453.8896557435. The cubic root of 55560471 is about 381.5826674111.

The spelling of 55560471 in words is "fifty-five million, five hundred sixty thousand, four hundred seventy-one".

Divisors: 1 3 17 51 1089421 3268263 18520157 55560471