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54330649 is a prime number
BaseRepresentation
bin1100111101000…
…0010100011001
310210020021122021
43033100110121
5102402040044
65220254441
71226542252
oct317202431
9123207567
1054330649
112873946a
1216241421
13b343619
147303b29
154b82e84
hex33d0519

54330649 has 2 divisors, whose sum is σ = 54330650. Its totient is φ = 54330648.

The previous prime is 54330643. The next prime is 54330667. The reversal of 54330649 is 94603345.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47403225 + 6927424 = 6885^2 + 2632^2 .

It is a cyclic number.

It is not a de Polignac number, because 54330649 - 217 = 54199577 is a prime.

It is a super-2 number, since 2×543306492 = 5903638841522402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54330643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27165324 + 27165325.

It is an arithmetic number, because the mean of its divisors is an integer number (27165325).

Almost surely, 254330649 is an apocalyptic number.

It is an amenable number.

54330649 is a deficient number, since it is larger than the sum of its proper divisors (1).

54330649 is an equidigital number, since it uses as much as digits as its factorization.

54330649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 54330649 is about 7370.9327089589. The cubic root of 54330649 is about 378.7462116988.

The spelling of 54330649 in words is "fifty-four million, three hundred thirty thousand, six hundred forty-nine".