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54962189 is a prime number
BaseRepresentation
bin1101000110101…
…0100000001101
310211102100221122
43101222200031
5103032242224
65242010325
71235112422
oct321524015
9124370848
1054962189
112902a9a7
12164a69a5
13b504c09
147429d49
154c5a15e
hex346a80d

54962189 has 2 divisors, whose sum is σ = 54962190. Its totient is φ = 54962188.

The previous prime is 54962179. The next prime is 54962191. The reversal of 54962189 is 98126945.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54834025 + 128164 = 7405^2 + 358^2 .

It is a cyclic number.

It is not a de Polignac number, because 54962189 - 224 = 38184973 is a prime.

Together with 54962191, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54962119) 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, 27481094 + 27481095.

It is an arithmetic number, because the mean of its divisors is an integer number (27481095).

Almost surely, 254962189 is an apocalyptic number.

It is an amenable number.

54962189 is a deficient number, since it is larger than the sum of its proper divisors (1).

54962189 is an equidigital number, since it uses as much as digits as its factorization.

54962189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 44.

The square root of 54962189 is about 7413.6488317157. The cubic root of 54962189 is about 380.2080785613.

The spelling of 54962189 in words is "fifty-four million, nine hundred sixty-two thousand, one hundred eighty-nine".