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55065546231 = 3291633883051
BaseRepresentation
bin110011010010001010…
…011000110111110111
312021010121112120201020
4303102022120313313
51400233234434411
641144033432223
73656401264053
oct632212306767
9167117476636
1055065546231
11213980799a3
12a80940b673
13526736ab67
1429453b4c63
151674447606
hexcd2298df7

55065546231 has 16 divisors (see below), whose sum is σ = 76418463360. Its totient is φ = 35227029600.

The previous prime is 55065546227. The next prime is 55065546271. The reversal of 55065546231 is 13264556055.

It is not a de Polignac number, because 55065546231 - 22 = 55065546227 is a prime.

It is a super-2 number, since 2×550655462312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55065546271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1927345 + ... + 1955706.

It is an arithmetic number, because the mean of its divisors is an integer number (4776153960).

Almost surely, 255065546231 is an apocalyptic number.

55065546231 is a deficient number, since it is larger than the sum of its proper divisors (21352917129).

55065546231 is a wasteful number, since it uses less digits than its factorization.

55065546231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3883246.

The product of its (nonzero) digits is 540000, while the sum is 42.

The spelling of 55065546231 in words is "fifty-five billion, sixty-five million, five hundred forty-six thousand, two hundred thirty-one".

Divisors: 1 3 29 87 163 489 4727 14181 3883051 11649153 112608479 337825437 632937313 1898811939 18355182077 55065546231