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55425188 = 22713152267
BaseRepresentation
bin1101001101101…
…1100010100100
310212021220001202
43103123202210
5103142101223
65255542032
71242051320
oct323334244
9125256052
1055425188
1129316845
121668a918
13b637890
14750a980
154cec428
hex34db8a4

55425188 has 24 divisors (see below), whose sum is σ = 119378112. Its totient is φ = 21926304.

The previous prime is 55425187. The next prime is 55425199. The reversal of 55425188 is 88152455.

55425188 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (55425187) 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, 75770 + ... + 76497.

It is an arithmetic number, because the mean of its divisors is an integer number (4974088).

Almost surely, 255425188 is an apocalyptic number.

It is an amenable number.

55425188 is an abundant number, since it is smaller than the sum of its proper divisors (63952924).

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

55425188 is a wasteful number, since it uses less digits than its factorization.

55425188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152291 (or 152289 counting only the distinct ones).

The product of its digits is 64000, while the sum is 38.

The square root of 55425188 is about 7444.8094670045. The cubic root of 55425188 is about 381.2727132218.

The spelling of 55425188 in words is "fifty-five million, four hundred twenty-five thousand, one hundred eighty-eight".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 152267 304534 609068 1065869 1979471 2131738 3958942 4263476 7917884 13856297 27712594 55425188