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55036808736 = 25371319331579
BaseRepresentation
bin110011010000011100…
…110000111000100000
312021001121110120021120
4303100130300320200
51400203410334421
641141125452240
73655602104220
oct632034607040
9167047416246
1055036808736
1121382930aa8
12a7bb871080
135261418720
142941654080
151671b6c8c6
hexcd0730e20

55036808736 has 192 divisors, whose sum is σ = 187170278400. Its totient is φ = 13751202816.

The previous prime is 55036808719. The next prime is 55036808819. The reversal of 55036808736 is 63780863055.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195 + ... + 331773.

It is an arithmetic number, because the mean of its divisors is an integer number (974845200).

Almost surely, 255036808736 is an apocalyptic number.

55036808736 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55036808736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93585139200).

55036808736 is an abundant number, since it is smaller than the sum of its proper divisors (132133469664).

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

55036808736 is a wasteful number, since it uses less digits than its factorization.

55036808736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331631 (or 331623 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 55036808736 in words is "fifty-five billion, thirty-six million, eight hundred eight thousand, seven hundred thirty-six".