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54900286889 = 729674036489
BaseRepresentation
bin110011001000010011…
…111110010110101001
312020201002120112111212
4303020103332112221
51344413433140024
641115411402505
73652323511310
oct631023762651
9166632515455
1054900286889
1121312865128
12a781bb3435
13523c058576
14292b477277
151664ba1a0e
hexcc84fe5a9

54900286889 has 16 divisors (see below), whose sum is σ = 65875516800. Its totient is φ = 44756578944.

The previous prime is 54900286817. The next prime is 54900286891. The reversal of 54900286889 is 98868200945.

It is not a de Polignac number, because 54900286889 - 228 = 54631851433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54900286289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2004644 + ... + 2031845.

It is an arithmetic number, because the mean of its divisors is an integer number (4117219800).

Almost surely, 254900286889 is an apocalyptic number.

It is an amenable number.

54900286889 is a deficient number, since it is larger than the sum of its proper divisors (10975229911).

54900286889 is a wasteful number, since it uses less digits than its factorization.

54900286889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4036592.

The product of its (nonzero) digits is 9953280, while the sum is 59.

The spelling of 54900286889 in words is "fifty-four billion, nine hundred million, two hundred eighty-six thousand, eight hundred eighty-nine".

Divisors: 1 7 29 67 203 469 1943 13601 4036489 28255423 117058181 270444763 819407267 1893113341 7842898127 54900286889