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55810888 = 2371975059
BaseRepresentation
bin1101010011100…
…1101101001000
310220000111010221
43110321231020
5103241422023
65312115424
71245245650
oct324715510
9126014127
1055810888
112955a601
1216835b74
13b7412c3
1475ab360
154d7685d
hex3539b48

55810888 has 32 divisors (see below), whose sum is σ = 120225600. Its totient is φ = 23792832.

The previous prime is 55810841. The next prime is 55810889. The reversal of 55810888 is 88801855.

55810888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×558108882 = 6229710438697088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55810889) 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, 8503 + ... + 13561.

It is an arithmetic number, because the mean of its divisors is an integer number (3757050).

Almost surely, 255810888 is an apocalyptic number.

It is an amenable number.

55810888 is an abundant number, since it is smaller than the sum of its proper divisors (64414712).

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

55810888 is a wasteful number, since it uses less digits than its factorization.

55810888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5269 (or 5265 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 43.

The square root of 55810888 is about 7470.6685109165. The cubic root of 55810888 is about 382.1550862845.

The spelling of 55810888 in words is "fifty-five million, eight hundred ten thousand, eight hundred eighty-eight".

Divisors: 1 2 4 7 8 14 28 56 197 394 788 1379 1576 2758 5059 5516 10118 11032 20236 35413 40472 70826 141652 283304 996623 1993246 3986492 6976361 7972984 13952722 27905444 55810888