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50555005055 = 510111001011
BaseRepresentation
bin101111000101010100…
…000010100001111111
311211111021011100102122
4233011110002201333
51312014040130210
635120305113155
73436541311202
oct570524024177
9154437140378
1050555005055
111a492a89615
12996a9287bb
1349c8a43399
142638323939
1514ad475b55
hexbc550287f

50555005055 has 4 divisors (see below), whose sum is σ = 60666006072. Its totient is φ = 40444004040.

The previous prime is 50555005051. The next prime is 50555005121. The reversal of 50555005055 is 55050055505.

50555005055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55050055505 = 511010011101.

It is not a de Polignac number, because 50555005055 - 22 = 50555005051 is a prime.

It is a super-2 number, since 2×505550050552 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50555005051) 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, 5055500501 + ... + 5055500510.

It is an arithmetic number, because the mean of its divisors is an integer number (15166501518).

Almost surely, 250555005055 is an apocalyptic number.

50555005055 is a deficient number, since it is larger than the sum of its proper divisors (10111001017).

50555005055 is a wasteful number, since it uses less digits than its factorization.

50555005055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10111001016.

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 50555005055 in words is "fifty billion, five hundred fifty-five million, five thousand, fifty-five".

Divisors: 1 5 10111001011 50555005055