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54505661664241 = 2917319356291161
BaseRepresentation
bin11000110010010100101101…
…00110100000101111110001
321010222200122021111000120201
430121022112212200233301
524121010043341223431
6311531315535435201
714323622051565424
oct1431122646405761
9233880567430521
1054505661664241
11164047a3060307
12614368b985b01
132454b28604258
14d66133a679bb
15647c3d803461
hex3192969a0bf1

54505661664241 has 16 divisors (see below), whose sum is σ = 57004933934160. Its totient is φ = 52050859499520.

The previous prime is 54505661664217. The next prime is 54505661664253. The reversal of 54505661664241 is 14246616650545.

It can be written as a sum of positive squares in 8 ways, for example, as 838682313616 + 53666979350625 = 915796^2 + 7325775^2 .

It is a cyclic number.

It is not a de Polignac number, because 54505661664241 - 213 = 54505661656049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54505661664271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27177300 + ... + 29113861.

It is an arithmetic number, because the mean of its divisors is an integer number (3562808370885).

Almost surely, 254505661664241 is an apocalyptic number.

It is an amenable number.

54505661664241 is a deficient number, since it is larger than the sum of its proper divisors (2499272269919).

54505661664241 is a wasteful number, since it uses less digits than its factorization.

54505661664241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56291556.

The product of its (nonzero) digits is 20736000, while the sum is 55.

The spelling of 54505661664241 in words is "fifty-four trillion, five hundred five billion, six hundred sixty-one million, six hundred sixty-four thousand, two hundred forty-one".

Divisors: 1 29 173 193 5017 5597 33389 968281 56291161 1632443669 9738370853 10864194073 282412754737 315061628117 1879505574629 54505661664241