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54914681 is a prime number
BaseRepresentation
bin1101000101111…
…0111001111001
310211022221210002
43101132321321
5103024232211
65241002345
71234524053
oct321367171
9124287702
1054914681
1128aa8238
12164833b5
13b4b93c3
1474168d3
154c4b03b
hex345ee79

54914681 has 2 divisors, whose sum is σ = 54914682. Its totient is φ = 54914680.

The previous prime is 54914633. The next prime is 54914711. The reversal of 54914681 is 18641945.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54834025 + 80656 = 7405^2 + 284^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54914681 is a prime.

It is a super-4 number, since 4×549146814 (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54914281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27457340 + 27457341.

It is an arithmetic number, because the mean of its divisors is an integer number (27457341).

Almost surely, 254914681 is an apocalyptic number.

It is an amenable number.

54914681 is a deficient number, since it is larger than the sum of its proper divisors (1).

54914681 is an equidigital number, since it uses as much as digits as its factorization.

54914681 is an evil number, because the sum of its binary digits is even.

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

The square root of 54914681 is about 7410.4440487733. Note that the first 3 decimals coincide. The cubic root of 54914681 is about 380.0984993966.

The spelling of 54914681 in words is "fifty-four million, nine hundred fourteen thousand, six hundred eighty-one".