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54225749 is a prime number
BaseRepresentation
bin1100111011011…
…0101101010101
310210000221202002
43032312231111
5102340210444
65214125045
71225624364
oct316665525
9123027662
1054225749
1128677676
12161b0785
13b307956
1472b77db
154b61d4e
hex33b6b55

54225749 has 2 divisors, whose sum is σ = 54225750. Its totient is φ = 54225748.

The previous prime is 54225701. The next prime is 54225799. The reversal of 54225749 is 94752245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31281649 + 22944100 = 5593^2 + 4790^2 .

It is a cyclic number.

It is not a de Polignac number, because 54225749 - 224 = 37448533 is a prime.

It is a super-2 number, since 2×542257492 = 5880863709222002, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54225799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27112874 + 27112875.

It is an arithmetic number, because the mean of its divisors is an integer number (27112875).

Almost surely, 254225749 is an apocalyptic number.

It is an amenable number.

54225749 is a deficient number, since it is larger than the sum of its proper divisors (1).

54225749 is an equidigital number, since it uses as much as digits as its factorization.

54225749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 38.

The square root of 54225749 is about 7363.8134821572. The cubic root of 54225749 is about 378.5022973463.

The spelling of 54225749 in words is "fifty-four million, two hundred twenty-five thousand, seven hundred forty-nine".