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50550500055550 = 2521110129009901
BaseRepresentation
bin10110111111001101101001…
…00110010101100111111110
320121222120200021010121021011
423133212310212111213332
523111204411003234200
6255302325032025434
713435103341611235
oct1337466446254776
9217876607117234
1050550500055550
111511a38a483790
12580503823227a
132228b790b4c11
14c6a92b729b1c
155c9e03eb25ba
hex2df9b49959fe

50550500055550 has 72 divisors (see below), whose sum is σ = 103597186661496. Its totient is φ = 18199998000000.

The previous prime is 50550500055533. The next prime is 50550500055563. The reversal of 50550500055550 is 5555000505505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1105600 + ... + 10115500.

It is an arithmetic number, because the mean of its divisors is an integer number (1438849814743).

Almost surely, 250550500055550 is an apocalyptic number.

50550500055550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50550500055550 is an abundant number, since it is smaller than the sum of its proper divisors (53046686605946).

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

50550500055550 is a wasteful number, since it uses less digits than its factorization.

50550500055550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9010126 (or 9010020 counting only the distinct ones).

The product of its (nonzero) digits is 390625, while the sum is 40.

The spelling of 50550500055550 in words is "fifty trillion, five hundred fifty billion, five hundred million, fifty-five thousand, five hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 101 110 202 275 505 550 1010 1111 2222 2525 5050 5555 10201 11110 20402 27775 51005 55550 102010 112211 224422 255025 510050 561055 1122110 2805275 5610550 9009901 18019802 45049505 90099010 99108911 198217822 225247525 450495050 495544555 910000001 991089110 1820000002 2477722775 4550000005 4955445550 9100000010 10010000011 20020000022 22750000025 45500000050 50050000055 91910000101 100100000110 183820000202 250250000275 459550000505 500500000550 919100001010 1011010001111 2022020002222 2297750002525 4595500005050 5055050005555 10110100011110 25275250027775 50550500055550