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55311301 is a prime number
BaseRepresentation
bin1101001011111…
…1101111000101
310212002002211201
43102333233011
5103124430201
65253302501
71241065303
oct322775705
9125062751
1055311301
1129249221
1216634a31
13b5c7aa6
1474bb273
154cc8801
hex34bfbc5

55311301 has 2 divisors, whose sum is σ = 55311302. Its totient is φ = 55311300.

The previous prime is 55311281. The next prime is 55311307. The reversal of 55311301 is 10311355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40947201 + 14364100 = 6399^2 + 3790^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55311301 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55311307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27655650 + 27655651.

It is an arithmetic number, because the mean of its divisors is an integer number (27655651).

Almost surely, 255311301 is an apocalyptic number.

It is an amenable number.

55311301 is a deficient number, since it is larger than the sum of its proper divisors (1).

55311301 is an equidigital number, since it uses as much as digits as its factorization.

55311301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 55311301 is about 7437.1567819967. The cubic root of 55311301 is about 381.0113893119.

Adding to 55311301 its reverse (10311355), we get a palindrome (65622656).

The spelling of 55311301 in words is "fifty-five million, three hundred eleven thousand, three hundred one".