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55055510050 = 2521462975269
BaseRepresentation
bin110011010001100100…
…000110101000100010
312021002220122200122211
4303101210012220202
51400223202310200
641143034352334
73656220054052
oct632144065042
9167086580584
1055055510050
1121392444632
12a805b8b6aa
1352652659a8
142943d21562
151673613aba
hexcd1906a22

55055510050 has 24 divisors (see below), whose sum is σ = 102411609300. Its totient is φ = 22020406080.

The previous prime is 55055510033. The next prime is 55055510053. The reversal of 55055510050 is 5001555055.

It can be written as a sum of positive squares in 6 ways, for example, as 9862277481 + 45193232569 = 99309^2 + 212587^2 .

It is a super-2 number, since 2×550555100502 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55055509994 and 55055510021.

It is not an unprimeable number, because it can be changed into a prime (55055510053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 693816 + ... + 769084.

Almost surely, 255055510050 is an apocalyptic number.

55055510050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55055510050 is a deficient number, since it is larger than the sum of its proper divisors (47356099250).

55055510050 is a wasteful number, since it uses less digits than its factorization.

55055510050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89910 (or 89905 counting only the distinct ones).

The product of its (nonzero) digits is 15625, while the sum is 31.

The spelling of 55055510050 in words is "fifty-five billion, fifty-five million, five hundred ten thousand, fifty".

Divisors: 1 2 5 10 25 50 14629 29258 73145 75269 146290 150538 365725 376345 731450 752690 1881725 3763450 1101110201 2202220402 5505551005 11011102010 27527755025 55055510050