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55231504419168 = 25347112127198091
BaseRepresentation
bin11001000111011100101100…
…01100111000100101100000
321020120002011111200101120000
430203232112030320211200
524214403110112403133
6313245000341020000
714430226111320660
oct1443562614704540
9236502144611500
1055231504419168
11166646053a9200
12624029b0b4600
1324a8401a7a04c
14d8d30d2101a0
1565ba7154d413
hex323b96338960

55231504419168 has 720 divisors, whose sum is σ = 205657453596672. Its totient is φ = 14232814041600.

The previous prime is 55231504419151. The next prime is 55231504419191. The reversal of 55231504419168 is 86191440513255.

55231504419168 is a `hidden beast` number, since 5 + 5 + 2 + 3 + 1 + 50 + 441 + 91 + 68 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 278719803 + ... + 278917893.

Almost surely, 255231504419168 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 55231504419168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102828726798336).

55231504419168 is an abundant number, since it is smaller than the sum of its proper divisors (150425949177504).

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

55231504419168 is a wasteful number, since it uses less digits than its factorization.

55231504419168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198269 (or 198241 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 54.

The spelling of 55231504419168 in words is "fifty-five trillion, two hundred thirty-one billion, five hundred four million, four hundred nineteen thousand, one hundred sixty-eight".