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55693494 = 234343787
BaseRepresentation
bin1101010001110…
…1000010110110
310212210112010000
43110131002312
5103224142434
65305412130
71244246463
oct324350266
9125715100
1055693494
112948a38a
121679a046
13b6cca3c
14757a66a
154d51b99
hex351d0b6

55693494 has 20 divisors (see below), whose sum is σ = 124795044. Its totient is φ = 18564444.

The previous prime is 55693493. The next prime is 55693501. The reversal of 55693494 is 49439655.

55693494 is a `hidden beast` number, since 556 + 9 + 3 + 4 + 94 = 666.

55693494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55693493) 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 9 ways as a sum of consecutive naturals, for example, 171732 + ... + 172055.

Almost surely, 255693494 is an apocalyptic number.

55693494 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

55693494 is an abundant number, since it is smaller than the sum of its proper divisors (69101550).

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

55693494 is a wasteful number, since it uses less digits than its factorization.

55693494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343801 (or 343792 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The square root of 55693494 is about 7462.8073806042. The cubic root of 55693494 is about 381.8869533823.

The spelling of 55693494 in words is "fifty-five million, six hundred ninety-three thousand, four hundred ninety-four".

Divisors: 1 2 3 6 9 18 27 54 81 162 343787 687574 1031361 2062722 3094083 6188166 9282249 18564498 27846747 55693494