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55112033 is a prime number
BaseRepresentation
bin1101001000111…
…1000101100001
310211200222111102
43102033011201
5103102041113
65245124145
71236305324
oct322170541
9124628442
1055112033
1129122539
1216559655
13b558192
1474687bb
154c89758
hex348f161

55112033 has 2 divisors, whose sum is σ = 55112034. Its totient is φ = 55112032.

The previous prime is 55112009. The next prime is 55112039. The reversal of 55112033 is 33021155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38725729 + 16386304 = 6223^2 + 4048^2 .

It is a cyclic number.

It is not a de Polignac number, because 55112033 - 210 = 55111009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55111996 and 55112014.

It is not a weakly prime, because it can be changed into another prime (55112039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27556016 + 27556017.

It is an arithmetic number, because the mean of its divisors is an integer number (27556017).

Almost surely, 255112033 is an apocalyptic number.

It is an amenable number.

55112033 is a deficient number, since it is larger than the sum of its proper divisors (1).

55112033 is an equidigital number, since it uses as much as digits as its factorization.

55112033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 55112033 is about 7423.7479078967. The cubic root of 55112033 is about 380.5532868113.

Adding to 55112033 its reverse (33021155), we get a palindrome (88133188).

The spelling of 55112033 in words is "fifty-five million, one hundred twelve thousand, thirty-three".