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54538829 is a prime number
BaseRepresentation
bin1101000000001…
…1001001001101
310210121212012122
43100003021031
5102430220304
65224542325
71231400222
oct320031115
9123555178
1054538829
1128870914
12163219a5
13b3b72c7
147359949
154bc49be
hex340324d

54538829 has 2 divisors, whose sum is σ = 54538830. Its totient is φ = 54538828.

The previous prime is 54538789. The next prime is 54538831. The reversal of 54538829 is 92883545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29268100 + 25270729 = 5410^2 + 5027^2 .

It is a cyclic number.

It is not a de Polignac number, because 54538829 - 220 = 53490253 is a prime.

Together with 54538831, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54538829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54538849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27269414 + 27269415.

It is an arithmetic number, because the mean of its divisors is an integer number (27269415).

Almost surely, 254538829 is an apocalyptic number.

It is an amenable number.

54538829 is a deficient number, since it is larger than the sum of its proper divisors (1).

54538829 is an equidigital number, since it uses as much as digits as its factorization.

54538829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 345600, while the sum is 44.

The square root of 54538829 is about 7385.0408935902. The cubic root of 54538829 is about 379.2293453414.

The spelling of 54538829 in words is "fifty-four million, five hundred thirty-eight thousand, eight hundred twenty-nine".