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55315463200 = 255269144329
BaseRepresentation
bin110011100001000011…
…101111110000100000
312021210000210200100021
4303201003233300200
51401241224310300
641224522203224
73665524452004
oct634103576040
9167700720307
1055315463200
1121506156248
12a879053514
1352a708181a
14296a66c704
15168b361d1a
hexce10efc20

55315463200 has 36 divisors (see below), whose sum is σ = 135038876490. Its totient is φ = 22126184960.

The previous prime is 55315463191. The next prime is 55315463227. The reversal of 55315463200 is 236451355.

It can be written as a sum of positive squares in 3 ways, for example, as 43119353104 + 12196110096 = 207652^2 + 110436^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34571365 + ... + 34572964.

Almost surely, 255315463200 is an apocalyptic number.

55315463200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55315463200 is an abundant number, since it is smaller than the sum of its proper divisors (79723413290).

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

55315463200 is a wasteful number, since it uses less digits than its factorization.

55315463200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69144349 (or 69144336 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 55315463200 in words is "fifty-five billion, three hundred fifteen million, four hundred sixty-three thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 69144329 138288658 276577316 345721645 553154632 691443290 1106309264 1382886580 1728608225 2212618528 2765773160 3457216450 5531546320 6914432900 11063092640 13828865800 27657731600 55315463200