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55005695889 = 3143691276027
BaseRepresentation
bin110011001110100110…
…000100111110010001
312020222102220212110220
4303032212010332101
51400122424232024
641134054543253
73655043462214
oct631646047621
9166872825426
1055005695889
1121367310501
12a7b1367b29
135257b44061
14293b47577b
15166e073e79
hexcce984f91

55005695889 has 8 divisors (see below), whose sum is σ = 73346089440. Its totient is φ = 36667883136.

The previous prime is 55005695863. The next prime is 55005695923. The reversal of 55005695889 is 98859650055.

55005695889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 55005695889 - 215 = 55005663121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55005695809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 594907 + ... + 681120.

It is an arithmetic number, because the mean of its divisors is an integer number (9168261180).

Almost surely, 255005695889 is an apocalyptic number.

It is an amenable number.

55005695889 is a deficient number, since it is larger than the sum of its proper divisors (18340393551).

55005695889 is a wasteful number, since it uses less digits than its factorization.

55005695889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290399.

The product of its (nonzero) digits is 19440000, while the sum is 60.

The spelling of 55005695889 in words is "fifty-five billion, five million, six hundred ninety-five thousand, eight hundred eighty-nine".

Divisors: 1 3 14369 43107 1276027 3828081 18335231963 55005695889