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55808826 = 239301471
BaseRepresentation
bin1101010011100…
…1001100111010
310220000101022120
43110321030322
5103241340301
65312102110
71245236643
oct324711472
9126011276
1055808826
1129558aa7
1216834936
13b740398
1475aa6ca
154d75e36
hex353933a

55808826 has 8 divisors (see below), whose sum is σ = 111617664. Its totient is φ = 18602940.

The previous prime is 55808821. The next prime is 55808843. The reversal of 55808826 is 62880855.

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

55808826 is an admirable number.

It is a super-2 number, since 2×558088262 = 6229250118996552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55808821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4650730 + ... + 4650741.

It is an arithmetic number, because the mean of its divisors is an integer number (13952208).

Almost surely, 255808826 is an apocalyptic number.

55808826 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55808826 is a wasteful number, since it uses less digits than its factorization.

55808826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9301476.

The product of its (nonzero) digits is 153600, while the sum is 42.

The square root of 55808826 is about 7470.5305032508. The cubic root of 55808826 is about 382.1503798344.

The spelling of 55808826 in words is "fifty-five million, eight hundred eight thousand, eight hundred twenty-six".

Divisors: 1 2 3 6 9301471 18602942 27904413 55808826