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55510005456 = 2433128495383
BaseRepresentation
bin110011101100101001…
…110111011011010000
312022021120212110011000
4303230221313123100
51402141030133311
641300112022000
74003406155413
oct635451673320
9168246773130
1055510005456
11215a5a50774
12a912231900
135308477899
14298842db7a
15169d48e056
hexceca776d0

55510005456 has 40 divisors (see below), whose sum is σ = 159334276160. Its totient is φ = 18503335008.

The previous prime is 55510005403. The next prime is 55510005457. The reversal of 55510005456 is 65450001555.

55510005456 is a `hidden beast` number, since 5 + 5 + 5 + 100 + 0 + 545 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 55510005456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55510005457) 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, 64247260 + ... + 64248123.

It is an arithmetic number, because the mean of its divisors is an integer number (3983356904).

Almost surely, 255510005456 is an apocalyptic number.

It is an amenable number.

55510005456 is an abundant number, since it is smaller than the sum of its proper divisors (103824270704).

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

55510005456 is a wasteful number, since it uses less digits than its factorization.

55510005456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128495400 (or 128495388 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

The spelling of 55510005456 in words is "fifty-five billion, five hundred ten million, five thousand, four hundred fifty-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 432 128495383 256990766 385486149 513981532 770972298 1027963064 1156458447 1541944596 2055926128 2312916894 3083889192 3469375341 4625833788 6167778384 6938750682 9251667576 13877501364 18503335152 27755002728 55510005456