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54554704040121 = 318184901346707
BaseRepresentation
bin11000110011110000000011…
…10000010101000010111001
321011011101020010100211212120
430121320001300111002321
524122311013213240441
6312010030212031453
714330306265112215
oct1431700160250271
9234141203324776
1054554704040121
111642357a21316a
126151098002589
132459642b52b8c
14d6866711b945
1564915e087966
hex319e01c150b9

54554704040121 has 4 divisors (see below), whose sum is σ = 72739605386832. Its totient is φ = 36369802693412.

The previous prime is 54554704040119. The next prime is 54554704040143. The reversal of 54554704040121 is 12104040745545.

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 54554704040121 - 21 = 54554704040119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54554704040171) 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 in 3 ways as a sum of consecutive naturals, for example, 9092450673351 + ... + 9092450673356.

It is an arithmetic number, because the mean of its divisors is an integer number (18184901346708).

Almost surely, 254554704040121 is an apocalyptic number.

It is an amenable number.

54554704040121 is a deficient number, since it is larger than the sum of its proper divisors (18184901346711).

54554704040121 is a wasteful number, since it uses less digits than its factorization.

54554704040121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18184901346710.

The product of its (nonzero) digits is 448000, while the sum is 42.

Adding to 54554704040121 its reverse (12104040745545), we get a palindrome (66658744785666).

The spelling of 54554704040121 in words is "fifty-four trillion, five hundred fifty-four billion, seven hundred four million, forty thousand, one hundred twenty-one".

Divisors: 1 3 18184901346707 54554704040121