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55913715284 = 2273136379931
BaseRepresentation
bin110100000100101101…
…111001011001010100
312100022201112000220212
4310010231321121110
51404002402342114
641404132544552
74016410511120
oct640455713124
9170281460825
1055913715284
112179291a959
12aa05482158
135370cb793b
1429c5cbc580
1516c3b36b3e
hexd04b79654

55913715284 has 24 divisors (see below), whose sum is σ = 112184724288. Its totient is φ = 23886457920.

The previous prime is 55913715283. The next prime is 55913715293. The reversal of 55913715284 is 48251731955.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55913715283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3181202 + ... + 3198729.

It is an arithmetic number, because the mean of its divisors is an integer number (4674363512).

Almost surely, 255913715284 is an apocalyptic number.

It is an amenable number.

55913715284 is an abundant number, since it is smaller than the sum of its proper divisors (56271009004).

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

55913715284 is a wasteful number, since it uses less digits than its factorization.

55913715284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6380255 (or 6380253 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 50.

The spelling of 55913715284 in words is "fifty-five billion, nine hundred thirteen million, seven hundred fifteen thousand, two hundred eighty-four".

Divisors: 1 2 4 7 14 28 313 626 1252 2191 4382 8764 6379931 12759862 25519724 44659517 89319034 178638068 1996918403 3993836806 7987673612 13978428821 27956857642 55913715284