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50755813 is a prime number
BaseRepresentation
bin1100000110011…
…1100011100101
310112111122212221
43001213203211
5100443141223
65011512341
71154263063
oct301474345
9115448787
1050755813
1126717659
1214bb86b1
13a691434
146a53033
1546c8b5d
hex30678e5

50755813 has 2 divisors, whose sum is σ = 50755814. Its totient is φ = 50755812.

The previous prime is 50755811. The next prime is 50755847. The reversal of 50755813 is 31855705.

50755813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (50755847) can be obtained adding 50755813 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35247969 + 15507844 = 5937^2 + 3938^2 .

It is a cyclic number.

It is not a de Polignac number, because 50755813 - 21 = 50755811 is a prime.

Together with 50755811, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50755811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25377906 + 25377907.

It is an arithmetic number, because the mean of its divisors is an integer number (25377907).

Almost surely, 250755813 is an apocalyptic number.

It is an amenable number.

50755813 is a deficient number, since it is larger than the sum of its proper divisors (1).

50755813 is an equidigital number, since it uses as much as digits as its factorization.

50755813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21000, while the sum is 34.

The square root of 50755813 is about 7124.3114053219. The cubic root of 50755813 is about 370.2501668291.

The spelling of 50755813 in words is "fifty million, seven hundred fifty-five thousand, eight hundred thirteen".