Search a number
-
+
55554551892 = 22337109674173
BaseRepresentation
bin110011101111010011…
…110011000001010100
312022101200200122101000
4303233103303001110
51402233431130032
641304342503300
74004456620410
oct635723630124
9168350618330
1055554551892
1121619107104
12a925134b30
135314773918
142990307d40
1516a233ce7c
hexcef4f3054

55554551892 has 96 divisors (see below), whose sum is σ = 166116473600. Its totient is φ = 15727084416.

The previous prime is 55554551881. The next prime is 55554551917. The reversal of 55554551892 is 29815545555.

55554551892 is a `hidden beast` number, since 5 + 5 + 5 + 5 + 4 + 551 + 89 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 254683 + ... + 419490.

Almost surely, 255554551892 is an apocalyptic number.

It is an amenable number.

55554551892 is an abundant number, since it is smaller than the sum of its proper divisors (110561921708).

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

55554551892 is a wasteful number, since it uses less digits than its factorization.

55554551892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674302 (or 674294 counting only the distinct ones).

The product of its digits is 9000000, while the sum is 54.

The spelling of 55554551892 in words is "fifty-five billion, five hundred fifty-four million, five hundred fifty-one thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 109 126 189 218 252 327 378 436 654 756 763 981 1308 1526 1962 2289 2943 3052 3924 4578 5886 6867 9156 11772 13734 20601 27468 41202 82404 674173 1348346 2022519 2696692 4045038 4719211 6067557 8090076 9438422 12135114 14157633 18202671 18876844 24270228 28315266 36405342 42472899 56630532 72810684 73484857 84945798 127418697 146969714 169891596 220454571 254837394 293939428 440909142 509674788 514393999 661363713 881818284 1028787998 1322727426 1543181997 1984091139 2057575996 2645454852 3086363994 3968182278 4629545991 6172727988 7936364556 9259091982 13888637973 18518183964 27777275946 55554551892