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55081882 = 243727881
BaseRepresentation
bin1101001000011…
…1101110011010
310211122110010201
43102013232122
5103100110012
65244332414
71236121402
oct322075632
9124573121
1055081882
1129101919
121654410a
13b54753b
14745b802
154c80857
hex3487b9a

55081882 has 16 divisors (see below), whose sum is σ = 84756672. Its totient is φ = 26832960.

The previous prime is 55081879. The next prime is 55081891. The reversal of 55081882 is 28818055.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62082 + ... + 62962.

It is an arithmetic number, because the mean of its divisors is an integer number (5297292).

Almost surely, 255081882 is an apocalyptic number.

55081882 is a deficient number, since it is larger than the sum of its proper divisors (29674790).

55081882 is a wasteful number, since it uses less digits than its factorization.

55081882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653.

The product of its (nonzero) digits is 25600, while the sum is 37.

The square root of 55081882 is about 7421.7169172638. The cubic root of 55081882 is about 380.4838757432.

The spelling of 55081882 in words is "fifty-five million, eighty-one thousand, eight hundred eighty-two".

Divisors: 1 2 43 86 727 881 1454 1762 31261 37883 62522 75766 640487 1280974 27540941 55081882