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55424050 = 2521129161
BaseRepresentation
bin1101001101101…
…1010000110010
310212021211111121
43103123100302
5103142032200
65255532454
71242045103
oct323332062
9125254447
1055424050
1129315a00
121668a12a
13b6371c6
14750a3aa
154cebe1a
hex34db432

55424050 has 36 divisors (see below), whose sum is σ = 113324778. Its totient is φ = 20152000.

The previous prime is 55424023. The next prime is 55424059. The reversal of 55424050 is 5042455.

55424050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 36735721 + 18688329 = 6061^2 + 4323^2 .

It is a super-4 number, since 4×554240504 (a number of 32 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (55424059) 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 17 ways as a sum of consecutive naturals, for example, 1470 + ... + 10630.

Almost surely, 255424050 is an apocalyptic number.

55424050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55424050 is an abundant number, since it is smaller than the sum of its proper divisors (57900728).

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

55424050 is a wasteful number, since it uses less digits than its factorization.

55424050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9195 (or 9179 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 55424050 is about 7444.7330375239. The cubic root of 55424050 is about 381.2701037504.

The spelling of 55424050 in words is "fifty-five million, four hundred twenty-four thousand, fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 121 242 275 550 605 1210 3025 6050 9161 18322 45805 91610 100771 201542 229025 458050 503855 1007710 1108481 2216962 2519275 5038550 5542405 11084810 27712025 55424050