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55857520322 = 21671192
BaseRepresentation
bin110100000001010111…
…100001111011000010
312100011210210000220222
4310001113201323002
51403344011122242
641354404303042
74015126042322
oct640127417302
9170153700828
1055857520322
112176412883a
12a9aa6a1a82
135362470896
1429bc651282
1516bdc365d2
hexd015e1ec2

55857520322 has 6 divisors (see below), whose sum is σ = 83786781843. Its totient is φ = 27928593042.

The previous prime is 55857520267. The next prime is 55857520331. The reversal of 55857520322 is 22302575855.

It can be written as a sum of positive squares in only one way, i.e., 27928760161 + 27928760161 = 167119^2 + 167119^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=167119.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 250679 + ... + 417797.

Almost surely, 255857520322 is an apocalyptic number.

55857520322 is a deficient number, since it is larger than the sum of its proper divisors (27929261521).

55857520322 is an frugal number, since it uses more digits than its factorization.

55857520322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334240 (or 167121 counting only the distinct ones).

The product of its (nonzero) digits is 840000, while the sum is 44.

The spelling of 55857520322 in words is "fifty-five billion, eight hundred fifty-seven million, five hundred twenty thousand, three hundred twenty-two".

Divisors: 1 2 167119 334238 27928760161 55857520322