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55281484080 = 243253141193313
BaseRepresentation
bin110011011111000010…
…001000000100110000
312021200122212100202100
4303133002020010300
51401204024442310
641221310020400
73664632601344
oct633702100460
9167618770670
1055281484080
1121498a58229
12a8697a7700
1352a0015634
142965d45624
15168839dec0
hexcdf088130

55281484080 has 480 divisors, whose sum is σ = 197964329472. Its totient is φ = 13801881600.

The previous prime is 55281484033. The next prime is 55281484099. The reversal of 55281484080 is 8048418255.

55281484080 is a `hidden beast` number, since 5 + 528 + 1 + 4 + 8 + 40 + 80 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 176618004 + ... + 176618316.

Almost surely, 255281484080 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 55281484080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98982164736).

55281484080 is an abundant number, since it is smaller than the sum of its proper divisors (142682845392).

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

55281484080 is a wasteful number, since it uses less digits than its factorization.

55281484080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 409600, while the sum is 45.

The spelling of 55281484080 in words is "fifty-five billion, two hundred eighty-one million, four hundred eighty-four thousand, eighty".