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54435439901 is a prime number
BaseRepresentation
bin110010101100100110…
…101110010100011101
312012111200212212022202
4302230212232110131
51342440433034101
641001324221245
73634650414263
oct625446562435
9165450785282
1054435439901
11210a4428767
12a67239a825
135196960a8b
1428c5832433
151638e7e36b
hexcac9ae51d

54435439901 has 2 divisors, whose sum is σ = 54435439902. Its totient is φ = 54435439900.

The previous prime is 54435439889. The next prime is 54435439913. The reversal of 54435439901 is 10993453445.

It is a balanced prime because it is at equal distance from previous prime (54435439889) and next prime (54435439913).

It can be written as a sum of positive squares in only one way, i.e., 54424224100 + 11215801 = 233290^2 + 3349^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54435439901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54435432901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27217719950 + 27217719951.

It is an arithmetic number, because the mean of its divisors is an integer number (27217719951).

Almost surely, 254435439901 is an apocalyptic number.

It is an amenable number.

54435439901 is a deficient number, since it is larger than the sum of its proper divisors (1).

54435439901 is an equidigital number, since it uses as much as digits as its factorization.

54435439901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1166400, while the sum is 47.

The spelling of 54435439901 in words is "fifty-four billion, four hundred thirty-five million, four hundred thirty-nine thousand, nine hundred one".