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54057504633661 = 63487851473603
BaseRepresentation
bin11000100101010001111100…
…10111000111001100111101
321002101211212102222000201201
430102220332113013030331
524041134232141234121
6310545401431135501
714246345233642354
oct1422507627071475
9232354772860651
1054057504633661
11162517280a9091
126090858b14591
1324217a6cac559
14d4c57bc3499b
1563b25e259e91
hex312a3e5c733d

54057504633661 has 4 divisors (see below), whose sum is σ = 54058356170752. Its totient is φ = 54056653096572.

The previous prime is 54057504633623. The next prime is 54057504633667. The reversal of 54057504633661 is 16633640575045.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54057504633661 - 219 = 54057504109373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54057504633667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425673315 + ... + 425800288.

It is an arithmetic number, because the mean of its divisors is an integer number (13514589042688).

Almost surely, 254057504633661 is an apocalyptic number.

It is an amenable number.

54057504633661 is a deficient number, since it is larger than the sum of its proper divisors (851537091).

54057504633661 is an equidigital number, since it uses as much as digits as its factorization.

54057504633661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851537090.

The product of its (nonzero) digits is 27216000, while the sum is 55.

The spelling of 54057504633661 in words is "fifty-four trillion, fifty-seven billion, five hundred four million, six hundred thirty-three thousand, six hundred sixty-one".

Divisors: 1 63487 851473603 54057504633661