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55311349 is a prime number
BaseRepresentation
bin1101001011111…
…1101111110101
310212002002220111
43102333233311
5103124430344
65253303021
71241065402
oct322775765
9125062814
1055311349
1129249265
1216634a71
13b5c7b12
1474bb2a9
154cc8834
hex34bfbf5

55311349 has 2 divisors, whose sum is σ = 55311350. Its totient is φ = 55311348.

The previous prime is 55311331. The next prime is 55311367. The reversal of 55311349 is 94311355.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (55311331) and next prime (55311367).

It can be written as a sum of positive squares in only one way, i.e., 51739249 + 3572100 = 7193^2 + 1890^2 .

It is a cyclic number.

It is not a de Polignac number, because 55311349 - 25 = 55311317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55311349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55312349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27655674 + 27655675.

It is an arithmetic number, because the mean of its divisors is an integer number (27655675).

Almost surely, 255311349 is an apocalyptic number.

It is an amenable number.

55311349 is a deficient number, since it is larger than the sum of its proper divisors (1).

55311349 is an equidigital number, since it uses as much as digits as its factorization.

55311349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8100, while the sum is 31.

The square root of 55311349 is about 7437.1600090357. The cubic root of 55311349 is about 381.0114995278.

The spelling of 55311349 in words is "fifty-five million, three hundred eleven thousand, three hundred forty-nine".