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55000919659 = 7231637208687
BaseRepresentation
bin110011001110010011…
…110110111001101011
312020222002221012201111
4303032103312321223
51400120213412114
641133404331151
73654655050310
oct631623667153
9166862835644
1055000919659
1121364649004
12a7ab843ab7
135256b6109a
14293a990d07
15166d92dbc4
hexcce4f6e6b

55000919659 has 16 divisors (see below), whose sum is σ = 65631541248. Its totient is φ = 45066159072.

The previous prime is 55000919657. The next prime is 55000919663. The reversal of 55000919659 is 95691900055.

It is a cyclic number.

It is not a de Polignac number, because 55000919659 - 21 = 55000919657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55000919657) 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, 159214 + ... + 367900.

It is an arithmetic number, because the mean of its divisors is an integer number (4101971328).

Almost surely, 255000919659 is an apocalyptic number.

55000919659 is a deficient number, since it is larger than the sum of its proper divisors (10630621589).

55000919659 is a wasteful number, since it uses less digits than its factorization.

55000919659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210354.

The product of its (nonzero) digits is 546750, while the sum is 49.

The spelling of 55000919659 in words is "fifty-five billion, nine hundred nineteen thousand, six hundred fifty-nine".

Divisors: 1 7 23 161 1637 11459 37651 208687 263557 1460809 4799801 33598607 341620619 2391344333 7857274237 55000919659