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55812845952 = 2732193768917
BaseRepresentation
bin110011111110101101…
…000111000110000000
312100001200201100012200
4303332231013012000
51403301042032302
641350130553200
74014044235333
oct637655070600
9170050640180
1055812845952
1121740995276
12a997738800
13535612b546
1429b674261a
1516b9d5e81c
hexcfeb47180

55812845952 has 192 divisors, whose sum is σ = 173632009200. Its totient is φ = 17148506112.

The previous prime is 55812845939. The next prime is 55812845969. The reversal of 55812845952 is 25954821855.

55812845952 is a `hidden beast` number, since 5 + 581 + 2 + 8 + 4 + 5 + 9 + 52 = 666.

55812845952 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 775398 + ... + 844314.

Almost surely, 255812845952 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 55812845952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86816004600).

55812845952 is an abundant number, since it is smaller than the sum of its proper divisors (117819163248).

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

55812845952 is a wasteful number, since it uses less digits than its factorization.

55812845952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68993 (or 68978 counting only the distinct ones).

The product of its digits is 5760000, while the sum is 54.

The spelling of 55812845952 in words is "fifty-five billion, eight hundred twelve million, eight hundred forty-five thousand, nine hundred fifty-two".