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55275530305554 = 23213236220214981
BaseRepresentation
bin11001001000101110101100…
…10110010100000000010010
321020201021210202011010221200
430210113112112110000102
524221113241224234204
6313321121132332030
714433345112221606
oct1444272626240022
9236637722133850
1055275530305554
1116681247911279
126248927314016
1324ac5c9c157b0
14d914c834d506
1565cc9b6c0539
hex3245d6594012

55275530305554 has 24 divisors (see below), whose sum is σ = 128976237380172. Its totient is φ = 17007855478560.

The previous prime is 55275530305507. The next prime is 55275530305559. The reversal of 55275530305554 is 45550303557255.

It is a happy number.

55275530305554 is a `hidden beast` number, since 5 + 5 + 2 + 7 + 5 + 53 + 0 + 30 + 5 + 554 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 46949287322025 + 8326242983529 = 6851955^2 + 2885523^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55275530305554.

It is not an unprimeable number, because it can be changed into a prime (55275530305559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118110107257 + ... + 118110107724.

Almost surely, 255275530305554 is an apocalyptic number.

55275530305554 is an abundant number, since it is smaller than the sum of its proper divisors (73700707074618).

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

55275530305554 is a wasteful number, since it uses less digits than its factorization.

55275530305554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236220215002 (or 236220214999 counting only the distinct ones).

The product of its (nonzero) digits is 39375000, while the sum is 54.

The spelling of 55275530305554 in words is "fifty-five trillion, two hundred seventy-five billion, five hundred thirty million, three hundred five thousand, five hundred fifty-four".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 236220214981 472440429962 708660644943 1417321289886 2125981934829 3070862794753 4251963869658 6141725589506 9212588384259 18425176768518 27637765152777 55275530305554