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55188092 = 2243320861
BaseRepresentation
bin1101001010000…
…1101001111100
310211211211211102
43102201221330
5103112004332
65250512232
71240043141
oct322415174
9124754742
1055188092
11291746a3
1216595678
13b58399b
1474883c8
154ca2062
hex34a1a7c

55188092 has 12 divisors (see below), whose sum is σ = 98825496. Its totient is φ = 26952240.

The previous prime is 55188083. The next prime is 55188149. The reversal of 55188092 is 29088155.

55188092 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-3 number, since 3×551880923 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 160259 + ... + 160602.

It is an arithmetic number, because the mean of its divisors is an integer number (8235458).

Almost surely, 255188092 is an apocalyptic number.

It is an amenable number.

55188092 is a deficient number, since it is larger than the sum of its proper divisors (43637404).

55188092 is a wasteful number, since it uses less digits than its factorization.

55188092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320908 (or 320906 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 38.

The square root of 55188092 is about 7428.8688237174. The cubic root of 55188092 is about 380.7282709652.

The spelling of 55188092 in words is "fifty-five million, one hundred eighty-eight thousand, ninety-two".

Divisors: 1 2 4 43 86 172 320861 641722 1283444 13797023 27594046 55188092