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55233214891008 = 21037112310152209
BaseRepresentation
bin11001000111011111111000…
…01001110100010000000000
321020120020120201020100210220
430203233330021310100000
524214420111003003013
6313245442202223040
714430316361146230
oct1443577411642000
9236506521210726
1055233214891008
1116665302973aa0
126240697ab4a80
1324a8615251b6b
14d8d43245dcc0
1565bb217beb23
hex323bfc274400

55233214891008 has 352 divisors, whose sum is σ = 191522984785920. Its totient is φ = 13722536509440.

The previous prime is 55233214890977. The next prime is 55233214891009. The reversal of 55233214891008 is 80019841233255.

It is a tau number, because it is divible by the number of its divisors (352).

It is a super-3 number, since 3×552332148910083 (a number of 42 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (55233214891009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 364408 + ... + 10516616.

Almost surely, 255233214891008 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 55233214891008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95761492392960).

55233214891008 is an abundant number, since it is smaller than the sum of its proper divisors (136289769894912).

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

55233214891008 is a wasteful number, since it uses less digits than its factorization.

55233214891008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10152273 (or 10152255 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 51.

The spelling of 55233214891008 in words is "fifty-five trillion, two hundred thirty-three billion, two hundred fourteen million, eight hundred ninety-one thousand, eight".