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49555769 is a prime number
BaseRepresentation
bin1011110100001…
…0100100111001
310110020200201212
42331002210321
5100141241034
64530052505
71141134314
oct275024471
9113220655
1049555769
1125a77a8a
121471a135
13a361153
14681d97b
15453d2ce
hex2f42939

49555769 has 2 divisors, whose sum is σ = 49555770. Its totient is φ = 49555768.

The previous prime is 49555739. The next prime is 49555789. The reversal of 49555769 is 96755594.

It is a happy number.

49555769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48372025 + 1183744 = 6955^2 + 1088^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49555769 is a prime.

It is a super-2 number, since 2×495557692 = 4911548482362722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49555739) 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, 24777884 + 24777885.

It is an arithmetic number, because the mean of its divisors is an integer number (24777885).

Almost surely, 249555769 is an apocalyptic number.

It is an amenable number.

49555769 is a deficient number, since it is larger than the sum of its proper divisors (1).

49555769 is an equidigital number, since it uses as much as digits as its factorization.

49555769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1701000, while the sum is 50.

The square root of 49555769 is about 7039.5858542957. The cubic root of 49555769 is about 367.3088619953.

The spelling of 49555769 in words is "forty-nine million, five hundred fifty-five thousand, seven hundred sixty-nine".