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55385437736 = 2312421557377
BaseRepresentation
bin110011100101001110…
…101011011000101000
312021221220110202100202
4303211032223120220
51401412133001421
641235502051332
74000334311256
oct634516533050
9167856422322
1055385437736
11215416aa142
12a898579b48
1352b8711885
142975a855d6
15169258510b
hexce53ab628

55385437736 has 16 divisors (see below), whose sum is σ = 103856242740. Its totient is φ = 27690439680.

The previous prime is 55385437733. The next prime is 55385437769. The reversal of 55385437736 is 63773458355.

55385437736 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 54239615236 + 1145822500 = 232894^2 + 33850^2 .

It is not an unprimeable number, because it can be changed into a prime (55385437733) 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, 179321 + ... + 378056.

Almost surely, 255385437736 is an apocalyptic number.

It is an amenable number.

55385437736 is a deficient number, since it is larger than the sum of its proper divisors (48470805004).

55385437736 is a wasteful number, since it uses less digits than its factorization.

55385437736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569804 (or 569800 counting only the distinct ones).

The product of its digits is 31752000, while the sum is 56.

The spelling of 55385437736 in words is "fifty-five billion, three hundred eighty-five million, four hundred thirty-seven thousand, seven hundred thirty-six".

Divisors: 1 2 4 8 12421 24842 49684 99368 557377 1114754 2229508 4459016 6923179717 13846359434 27692718868 55385437736