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55272314880 = 2113251735279
BaseRepresentation
bin110011011110011111…
…001001100000000000
312021200000121111222100
4303132133021200000
51401144203034010
641220341310400
73664461632106
oct633637114000
9167600544870
1055272314880
1121493865282
12a866705400
13529b154c83
142964a39c76
15168768c2c0
hexcde7c9800

55272314880 has 288 divisors, whose sum is σ = 202838126400. Its totient is φ = 13871874048.

The previous prime is 55272314873. The next prime is 55272314891. The reversal of 55272314880 is 8841327255.

55272314880 is a `hidden beast` number, since 5 + 527 + 2 + 3 + 1 + 48 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 1549081 + ... + 1584359.

It is an arithmetic number, because the mean of its divisors is an integer number (704299050).

Almost surely, 255272314880 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 55272314880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101419063200).

55272314880 is an abundant number, since it is smaller than the sum of its proper divisors (147565811520).

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

55272314880 is a wasteful number, since it uses less digits than its factorization.

55272314880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35329 (or 35306 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 55272314880 in words is "fifty-five billion, two hundred seventy-two million, three hundred fourteen thousand, eight hundred eighty".