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54650749 is a prime number
BaseRepresentation
bin1101000001111…
…0011101111101
310210211112201211
43100132131331
5102442310444
65231204421
71232344426
oct320363575
9123745654
1054650749
1128937a0a
1216376711
13b42622a
14738864d
154be7c34
hex341e77d

54650749 has 2 divisors, whose sum is σ = 54650750. Its totient is φ = 54650748.

The previous prime is 54650741. The next prime is 54650779. The reversal of 54650749 is 94705645.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42968025 + 11682724 = 6555^2 + 3418^2 .

It is a cyclic number.

It is not a de Polignac number, because 54650749 - 23 = 54650741 is a prime.

It is a super-2 number, since 2×546507492 = 5973408732522002, 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 (54650741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27325374 + 27325375.

It is an arithmetic number, because the mean of its divisors is an integer number (27325375).

Almost surely, 254650749 is an apocalyptic number.

It is an amenable number.

54650749 is a deficient number, since it is larger than the sum of its proper divisors (1).

54650749 is an equidigital number, since it uses as much as digits as its factorization.

54650749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 54650749 is about 7392.6144901516. The cubic root of 54650749 is about 379.4885756260.

The spelling of 54650749 in words is "fifty-four million, six hundred fifty thousand, seven hundred forty-nine".