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54889031 is a prime number
BaseRepresentation
bin1101000101100…
…0101001000111
310211021122121002
43101120221013
5103022422111
65240243515
71234356221
oct321305107
9124248532
1054889031
1128a8aa3a
121647059b
13b4aa822
14740b411
154c4363b
hex3458a47

54889031 has 2 divisors, whose sum is σ = 54889032. Its totient is φ = 54889030.

The previous prime is 54888991. The next prime is 54889049. The reversal of 54889031 is 13098845.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54889031 - 210 = 54888007 is a prime.

It is a super-2 number, since 2×548890312 = 6025611448237922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54889231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27444515 + 27444516.

It is an arithmetic number, because the mean of its divisors is an integer number (27444516).

Almost surely, 254889031 is an apocalyptic number.

54889031 is a deficient number, since it is larger than the sum of its proper divisors (1).

54889031 is an equidigital number, since it uses as much as digits as its factorization.

54889031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 54889031 is about 7408.7131811132. The cubic root of 54889031 is about 380.0393103377.

The spelling of 54889031 in words is "fifty-four million, eight hundred eighty-nine thousand, thirty-one".