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54066931 is a prime number
BaseRepresentation
bin1100111000111…
…1111011110011
310202201212212221
43032033323303
5102320120211
65210501511
71224363352
oct316177363
9122655787
1054066931
1128579316
1216134897
13b280589
147275999
154b2ec71
hex338fef3

54066931 has 2 divisors, whose sum is σ = 54066932. Its totient is φ = 54066930.

The previous prime is 54066917. The next prime is 54066941. The reversal of 54066931 is 13966045.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54066931 - 25 = 54066899 is a prime.

It is a super-2 number, since 2×540669312 = 5846466055517522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54066941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27033465 + 27033466.

It is an arithmetic number, because the mean of its divisors is an integer number (27033466).

Almost surely, 254066931 is an apocalyptic number.

54066931 is a deficient number, since it is larger than the sum of its proper divisors (1).

54066931 is an equidigital number, since it uses as much as digits as its factorization.

54066931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 54066931 is about 7353.0218957922. The cubic root of 54066931 is about 378.1324130414.

The spelling of 54066931 in words is "fifty-four million, sixty-six thousand, nine hundred thirty-one".