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55518092 = 2274742187
BaseRepresentation
bin1101001111001…
…0001110001100
310212110121111122
43103302032030
5103203034332
65301540112
71242616220
oct323621614
9125417448
1055518092
112937a623
1216714638
13b66ac56
147532780
154d19c12
hex34f238c

55518092 has 24 divisors (see below), whose sum is σ = 113401344. Its totient is φ = 23286672.

The previous prime is 55518077. The next prime is 55518101. The reversal of 55518092 is 29081555.

55518092 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 3×555180923 (a number of 24 digits) contains 333 as substring.

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 7 ways as a sum of consecutive naturals, for example, 19778 + ... + 22409.

It is an arithmetic number, because the mean of its divisors is an integer number (4725056).

Almost surely, 255518092 is an apocalyptic number.

It is an amenable number.

55518092 is an abundant number, since it is smaller than the sum of its proper divisors (57883252).

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

55518092 is a wasteful number, since it uses less digits than its factorization.

55518092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42245 (or 42243 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 35.

The square root of 55518092 is about 7451.0463694705. The cubic root of 55518092 is about 381.4856247665.

The spelling of 55518092 in words is "fifty-five million, five hundred eighteen thousand, ninety-two".

Divisors: 1 2 4 7 14 28 47 94 188 329 658 1316 42187 84374 168748 295309 590618 1181236 1982789 3965578 7931156 13879523 27759046 55518092