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55750536665 = 531181357593
BaseRepresentation
bin110011111010111111…
…011010110111011001
312022220100110200221022
4303322333122313121
51403134114133130
641340023252225
74012356512525
oct637277326731
9168810420838
1055750536665
11217097a739a
12a97a8aa075
135346253445
1429ac362d85
1516b46527e5
hexcfafdadd9

55750536665 has 8 divisors (see below), whose sum is σ = 66902976648. Its totient is φ = 44598874240.

The previous prime is 55750536643. The next prime is 55750536703. The reversal of 55750536665 is 56663505755.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 354794896 + 55395741769 = 18836^2 + 235363^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55750536665 - 212 = 55750532569 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22892 + ... + 334701.

It is an arithmetic number, because the mean of its divisors is an integer number (8362872081).

Almost surely, 255750536665 is an apocalyptic number.

It is an amenable number.

55750536665 is a deficient number, since it is larger than the sum of its proper divisors (11152439983).

55750536665 is a wasteful number, since it uses less digits than its factorization.

55750536665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388779.

The product of its (nonzero) digits is 14175000, while the sum is 53.

The spelling of 55750536665 in words is "fifty-five billion, seven hundred fifty million, five hundred thirty-six thousand, six hundred sixty-five".

Divisors: 1 5 31181 155905 357593 1787965 11150107333 55750536665