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55240641017 = 223247715879
BaseRepresentation
bin110011011100100110…
…010100100111111001
312021120211000022121022
4303130212110213321
51401113101003032
641213250352225
73663625462352
oct633446244771
9167524008538
1055240641017
11214779a1231
12a857b8b675
135294715143
142960752d29
1516849d2512
hexcdc9949f9

55240641017 has 4 divisors (see below), whose sum is σ = 55488357120. Its totient is φ = 54992924916.

The previous prime is 55240640999. The next prime is 55240641047. The reversal of 55240641017 is 71014604255.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55240641017 - 28 = 55240640761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55240641047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123857717 + ... + 123858162.

It is an arithmetic number, because the mean of its divisors is an integer number (13872089280).

Almost surely, 255240641017 is an apocalyptic number.

It is an amenable number.

55240641017 is a deficient number, since it is larger than the sum of its proper divisors (247716103).

55240641017 is a wasteful number, since it uses less digits than its factorization.

55240641017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247716102.

The product of its (nonzero) digits is 33600, while the sum is 35.

The spelling of 55240641017 in words is "fifty-five billion, two hundred forty million, six hundred forty-one thousand, seventeen".

Divisors: 1 223 247715879 55240641017