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55363201 is a prime number
BaseRepresentation
bin1101001100110…
…0011010000001
310212011202000221
43103030122001
5103133110301
65254343041
71241402515
oct323143201
9125152027
1055363201
1129284213
121665aa81
13b6155ba
1474d2145
154cd8da1
hex34cc681

55363201 has 2 divisors, whose sum is σ = 55363202. Its totient is φ = 55363200.

The previous prime is 55363177. The next prime is 55363219. The reversal of 55363201 is 10236355.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32092225 + 23270976 = 5665^2 + 4824^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55363201 is a prime.

It is not a weakly prime, because it can be changed into another prime (55363261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27681600 + 27681601.

It is an arithmetic number, because the mean of its divisors is an integer number (27681601).

Almost surely, 255363201 is an apocalyptic number.

It is an amenable number.

55363201 is a deficient number, since it is larger than the sum of its proper divisors (1).

55363201 is an equidigital number, since it uses as much as digits as its factorization.

55363201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 55363201 is about 7440.6452005186. The cubic root of 55363201 is about 381.1305229489.

Adding to 55363201 its reverse (10236355), we get a palindrome (65599556).

The spelling of 55363201 in words is "fifty-five million, three hundred sixty-three thousand, two hundred one".