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55000005655 = 572733075203
BaseRepresentation
bin110011001110010000…
…010111110000010111
312020222001012202221111
4303032100113300113
51400120000140110
641133332555451
73654644222500
oct631620276027
9166861182844
1055000005655
1121364084331
12a7ab482b87
13525690105a
14293a7d3ba7
15166d7ece8a
hexcce417c17

55000005655 has 24 divisors (see below), whose sum is σ = 77827262832. Its totient is φ = 37197643392.

The previous prime is 55000005653. The next prime is 55000005703. The reversal of 55000005655 is 55650000055.

55000005655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55000005655 - 21 = 55000005653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55000005653) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1519717 + ... + 1555486.

It is an arithmetic number, because the mean of its divisors is an integer number (3242802618).

Almost surely, 255000005655 is an apocalyptic number.

55000005655 is a deficient number, since it is larger than the sum of its proper divisors (22827257177).

55000005655 is a wasteful number, since it uses less digits than its factorization.

55000005655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3075295 (or 3075288 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 31.

The spelling of 55000005655 in words is "fifty-five billion, five thousand, six hundred fifty-five".

Divisors: 1 5 7 35 49 73 245 365 511 2555 3577 17885 3075203 15376015 21526421 107632105 150684947 224489819 753424735 1122449095 1571428733 7857143665 11000001131 55000005655