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54210034561 is a prime number
BaseRepresentation
bin110010011111001010…
…110111101110000001
312011220222202002022211
4302133022313232001
51342010232101221
640523113102121
73626242455664
oct623712675601
9164828662284
1054210034561
1120a99173361
12a60a9b7941
13515c04cc37
1428a39196db
1516242a76e1
hexc9f2b7b81

54210034561 has 2 divisors, whose sum is σ = 54210034562. Its totient is φ = 54210034560.

The previous prime is 54210034513. The next prime is 54210034589. The reversal of 54210034561 is 16543001245.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51872795536 + 2337239025 = 227756^2 + 48345^2 .

It is a cyclic number.

It is not a de Polignac number, because 54210034561 - 233 = 45620099969 is a prime.

It is not a weakly prime, because it can be changed into another prime (54210034591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27105017280 + 27105017281.

It is an arithmetic number, because the mean of its divisors is an integer number (27105017281).

Almost surely, 254210034561 is an apocalyptic number.

It is an amenable number.

54210034561 is a deficient number, since it is larger than the sum of its proper divisors (1).

54210034561 is an equidigital number, since it uses as much as digits as its factorization.

54210034561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 54210034561 in words is "fifty-four billion, two hundred ten million, thirty-four thousand, five hundred sixty-one".