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55505005008 = 2431156354271
BaseRepresentation
bin110011101100010110…
…110010100111010000
312022021020110101211020
4303230112302213100
51402133240130013
641255412515440
74003315521015
oct635426624720
9168236411736
1055505005008
11215a3145872
12a91061bb80
13530741683b
1429878cb70c
15169cd02623
hexcec5b29d0

55505005008 has 20 divisors (see below), whose sum is σ = 143387929728. Its totient is φ = 18501668320.

The previous prime is 55505004979. The next prime is 55505005009. The reversal of 55505005008 is 80050050555.

55505005008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 55505005008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55505005009) 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, 578177088 + ... + 578177183.

Almost surely, 255505005008 is an apocalyptic number.

It is an amenable number.

55505005008 is an abundant number, since it is smaller than the sum of its proper divisors (87882924720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55505005008 is a wasteful number, since it uses less digits than its factorization.

55505005008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156354282 (or 1156354276 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 33.

The spelling of 55505005008 in words is "fifty-five billion, five hundred five million, five thousand, eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 1156354271 2312708542 3469062813 4625417084 6938125626 9250834168 13876251252 18501668336 27752502504 55505005008