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55551137 is a prime number
BaseRepresentation
bin1101001111101…
…0010010100001
310212112021211112
43103322102201
5103210114022
65302353105
71243114445
oct323722241
9125467745
1055551137
11293a2434
121672b795
13b67ccc5
147540825
154d248e2
hex34fa4a1

55551137 has 2 divisors, whose sum is σ = 55551138. Its totient is φ = 55551136.

The previous prime is 55551127. The next prime is 55551151. The reversal of 55551137 is 73115555.

55551137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48874081 + 6677056 = 6991^2 + 2584^2 .

It is a cyclic number.

It is not a de Polignac number, because 55551137 - 26 = 55551073 is a prime.

It is not a weakly prime, because it can be changed into another prime (55551127) 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, 27775568 + 27775569.

It is an arithmetic number, because the mean of its divisors is an integer number (27775569).

Almost surely, 255551137 is an apocalyptic number.

It is an amenable number.

55551137 is a deficient number, since it is larger than the sum of its proper divisors (1).

55551137 is an equidigital number, since it uses as much as digits as its factorization.

55551137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13125, while the sum is 32.

The square root of 55551137 is about 7453.2635133879. The cubic root of 55551137 is about 381.5612979493.

The spelling of 55551137 in words is "fifty-five million, five hundred fifty-one thousand, one hundred thirty-seven".