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55322542080 = 21633513237
BaseRepresentation
bin110011100001011110…
…110000000000000000
312021210112010022202000
4303201132300000000
51401300032321310
641225334024000
73665641564101
oct634136600000
9167715108660
1055322542080
112150a150763
12a87b4a8000
1352a868c900
14296b5923a8
15168bcae4c0
hexce17b0000

55322542080 has 816 divisors, whose sum is σ = 218752256160. Its totient is φ = 13249806336.

The previous prime is 55322542039. The next prime is 55322542153. The reversal of 55322542080 is 8024522355.

It is a happy number.

55322542080 is a `hidden beast` number, since 5 + 5 + 3 + 225 + 420 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1495203822 + ... + 1495203858.

Almost surely, 255322542080 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 55322542080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109376128080).

55322542080 is an abundant number, since it is smaller than the sum of its proper divisors (163429714080).

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

55322542080 is an equidigital number, since it uses as much as digits as its factorization.

55322542080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 55322542080 in words is "fifty-five billion, three hundred twenty-two million, five hundred forty-two thousand, eighty".