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55055505041 = 181304174061
BaseRepresentation
bin110011010001100100…
…000101011010010001
312021002220122102210022
4303101210011122101
51400223202130131
641143034313225
73656220033335
oct632144053221
9167086572708
1055055505041
1121392440899
12a805b88815
135265263624
142943d1d7c5
15167361237b
hexcd1905691

55055505041 has 4 divisors (see below), whose sum is σ = 55359679284. Its totient is φ = 54751330800.

The previous prime is 55055505017. The next prime is 55055505049. The reversal of 55055505041 is 14050555055.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14050555055 = 52810111011.

It can be written as a sum of positive squares in 2 ways, for example, as 17028945025 + 38026560016 = 130495^2 + 195004^2 .

It is a cyclic number.

It is not a de Polignac number, because 55055505041 - 230 = 53981763217 is a prime.

It is a super-2 number, since 2×550555050412 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55055504992 and 55055505010.

It is not an unprimeable number, because it can be changed into a prime (55055505049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152086850 + ... + 152087211.

It is an arithmetic number, because the mean of its divisors is an integer number (13839919821).

Almost surely, 255055505041 is an apocalyptic number.

It is an amenable number.

55055505041 is a deficient number, since it is larger than the sum of its proper divisors (304174243).

55055505041 is a wasteful number, since it uses less digits than its factorization.

55055505041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304174242.

The product of its (nonzero) digits is 62500, while the sum is 35.

The spelling of 55055505041 in words is "fifty-five billion, fifty-five million, five hundred five thousand, forty-one".

Divisors: 1 181 304174061 55055505041