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55325400240564 = 223219199406457729
BaseRepresentation
bin11001001010001011100101…
…10101000001000110110100
321020220001112021020022221200
430211011302311001012310
524222422404430144224
6313400045450212500
714440061664533256
oct1445056265010664
9236801467208850
1055325400240564
11166a04091185a3
126256524724130
1324b4216a4628c
14d93a996a3cd6
1565e2199225c9
hex325172d411b4

55325400240564 has 72 divisors (see below), whose sum is σ = 147950613720000. Its totient is φ = 17383384111104.

The previous prime is 55325400240563. The next prime is 55325400240589. The reversal of 55325400240564 is 46504200452355.

55325400240564 is a `hidden beast` number, since 5 + 5 + 3 + 2 + 5 + 40 + 0 + 2 + 40 + 564 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55325400240563) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 203092749 + ... + 203364980.

It is an arithmetic number, because the mean of its divisors is an integer number (2054869635000).

Almost surely, 255325400240564 is an apocalyptic number.

It is an amenable number.

55325400240564 is an abundant number, since it is smaller than the sum of its proper divisors (92625213479436).

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

55325400240564 is a wasteful number, since it uses less digits than its factorization.

55325400240564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406457957 (or 406457952 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 45.

The spelling of 55325400240564 in words is "fifty-five trillion, three hundred twenty-five billion, four hundred million, two hundred forty thousand, five hundred sixty-four".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 114 171 199 228 342 398 597 684 796 1194 1791 2388 3582 3781 7164 7562 11343 15124 22686 34029 45372 68058 136116 406457729 812915458 1219373187 1625830916 2438746374 3658119561 4877492748 7316239122 7722696851 14632478244 15445393702 23168090553 30890787404 46336181106 69504271659 80885088071 92672362212 139008543318 161770176142 242655264213 278017086636 323540352284 485310528426 727965792639 970621056852 1455931585278 1536816673349 2911863170556 3073633346698 4610450020047 6147266693396 9220900040094 13831350060141 18441800080188 27662700120282 55325400240564