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55542647040650 = 25271167892419363
BaseRepresentation
bin11001010000100000001111…
…01111110010101010001010
321021122211021120102020102122
430220100013233302222022
524240002320120300100
6314043534555131242
714461552400055260
oct1450200757625212
9237584246366378
1055542647040650
1116774560295990
126290654143b22
1324cb85921a8b3
14da03c814a430
15664bd206e985
hex328407bf2a8a

55542647040650 has 192 divisors, whose sum is σ = 132192500567040. Its totient is φ = 16861985395200.

The previous prime is 55542647040557. The next prime is 55542647040667. The reversal of 55542647040650 is 5604074624555.

It is a junction number, because it is equal to n+sod(n) for n = 55542647040592 and 55542647040601.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21747869 + ... + 24167231.

It is an arithmetic number, because the mean of its divisors is an integer number (688502607120).

Almost surely, 255542647040650 is an apocalyptic number.

55542647040650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55542647040650 is an abundant number, since it is smaller than the sum of its proper divisors (76649853526390).

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

55542647040650 is a wasteful number, since it uses less digits than its factorization.

55542647040650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2419549 (or 2419544 counting only the distinct ones).

The product of its (nonzero) digits is 20160000, while the sum is 53.

The spelling of 55542647040650 in words is "fifty-five trillion, five hundred forty-two billion, six hundred forty-seven million, forty thousand, six hundred fifty".