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54128803 is a prime number
BaseRepresentation
bin1100111001111…
…1000010100011
310202212000202111
43032133002203
5102324110203
65212100151
71225041631
oct316370243
9122760674
1054128803
1128610853
1216164657
13b2a27a1
147290351
154b4326d
hex339f0a3

54128803 has 2 divisors, whose sum is σ = 54128804. Its totient is φ = 54128802.

The previous prime is 54128801. The next prime is 54128849. The reversal of 54128803 is 30882145.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54128803 - 21 = 54128801 is a prime.

Together with 54128801, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (54128801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27064401 + 27064402.

It is an arithmetic number, because the mean of its divisors is an integer number (27064402).

Almost surely, 254128803 is an apocalyptic number.

54128803 is a deficient number, since it is larger than the sum of its proper divisors (1).

54128803 is an equidigital number, since it uses as much as digits as its factorization.

54128803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 54128803 is about 7357.2279426425. The cubic root of 54128803 is about 378.2765978477.

The spelling of 54128803 in words is "fifty-four million, one hundred twenty-eight thousand, eight hundred three".