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55205153 is a prime number
BaseRepresentation
bin1101001010010…
…1110100100001
310211212201020022
43102211310201
5103113031103
65251123225
71240143653
oct322456441
9124781208
1055205153
11291864a3
12165a3515
13b58b693
1474906d3
154ca7138
hex34a5d21

55205153 has 2 divisors, whose sum is σ = 55205154. Its totient is φ = 55205152.

The previous prime is 55205149. The next prime is 55205167. The reversal of 55205153 is 35150255.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53831569 + 1373584 = 7337^2 + 1172^2 .

It is a cyclic number.

It is not a de Polignac number, because 55205153 - 22 = 55205149 is a prime.

It is not a weakly prime, because it can be changed into another prime (55205123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27602576 + 27602577.

It is an arithmetic number, because the mean of its divisors is an integer number (27602577).

Almost surely, 255205153 is an apocalyptic number.

It is an amenable number.

55205153 is a deficient number, since it is larger than the sum of its proper divisors (1).

55205153 is an equidigital number, since it uses as much as digits as its factorization.

55205153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 55205153 is about 7430.0170255525. The cubic root of 55205153 is about 380.7675000547.

The spelling of 55205153 in words is "fifty-five million, two hundred five thousand, one hundred fifty-three".