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54664551401 is a prime number
BaseRepresentation
bin110010111010010000…
…101101101111101001
312020002122222221012212
4302322100231233221
51343423111121101
641040151014505
73643432006655
oct627220555751
9166078887185
1054664551401
1121201794609
12a71706a435
13520226b805
142908031a65
15164e1391bb
hexcba42dbe9

54664551401 has 2 divisors, whose sum is σ = 54664551402. Its totient is φ = 54664551400.

The previous prime is 54664551317. The next prime is 54664551481. The reversal of 54664551401 is 10415546645.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39473742400 + 15190809001 = 198680^2 + 123251^2 .

It is a cyclic number.

It is not a de Polignac number, because 54664551401 - 214 = 54664535017 is a prime.

It is not a weakly prime, because it can be changed into another prime (54664551481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27332275700 + 27332275701.

It is an arithmetic number, because the mean of its divisors is an integer number (27332275701).

Almost surely, 254664551401 is an apocalyptic number.

It is an amenable number.

54664551401 is a deficient number, since it is larger than the sum of its proper divisors (1).

54664551401 is an equidigital number, since it uses as much as digits as its factorization.

54664551401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 54664551401 in words is "fifty-four billion, six hundred sixty-four million, five hundred fifty-one thousand, four hundred one".