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55447545248 = 2537271172807
BaseRepresentation
bin110011101000111011…
…100110010110100000
312022010020100010211222
4303220323212112200
51402024032421443
641250001154212
74002020233604
oct635073462640
9168106303758
1055447545248
112157376a467
12a8b532b968
1352c8548b94
142980011504
151697c52468
hexce8ee65a0

55447545248 has 48 divisors (see below), whose sum is σ = 112527039744. Its totient is φ = 26874789120.

The previous prime is 55447545229. The next prime is 55447545269. The reversal of 55447545248 is 84254574455.

55447545248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 55447545248.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234461 + ... + 407267.

It is an arithmetic number, because the mean of its divisors is an integer number (2344313328).

Almost surely, 255447545248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55447545248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56263519872).

55447545248 is an abundant number, since it is smaller than the sum of its proper divisors (57079494496).

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

55447545248 is a wasteful number, since it uses less digits than its factorization.

55447545248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173125 (or 173117 counting only the distinct ones).

The product of its digits is 17920000, while the sum is 53.

The spelling of 55447545248 in words is "fifty-five billion, four hundred forty-seven million, five hundred forty-five thousand, two hundred forty-eight".

Divisors: 1 2 4 8 16 32 37 74 148 271 296 542 592 1084 1184 2168 4336 8672 10027 20054 40108 80216 160432 172807 320864 345614 691228 1382456 2764912 5529824 6393859 12787718 25575436 46830697 51150872 93661394 102301744 187322788 204603488 374645576 749291152 1498582304 1732735789 3465471578 6930943156 13861886312 27723772624 55447545248