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54505005761 is a prime number
BaseRepresentation
bin110010110000110000…
…000110001011000001
312012200112210011202002
4302300300012023001
51343111240141021
641012251233345
73636453622223
oct626060061301
9165615704662
1054505005761
112112a722608
12a691748855
1351a81a9acb
1428d0b80413
15164012150b
hexcb0c062c1

54505005761 has 2 divisors, whose sum is σ = 54505005762. Its totient is φ = 54505005760.

The previous prime is 54505005701. The next prime is 54505005817. The reversal of 54505005761 is 16750050545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53657089600 + 847916161 = 231640^2 + 29119^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54505005761 is a prime.

It is not a weakly prime, because it can be changed into another prime (54505005701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27252502880 + 27252502881.

It is an arithmetic number, because the mean of its divisors is an integer number (27252502881).

Almost surely, 254505005761 is an apocalyptic number.

It is an amenable number.

54505005761 is a deficient number, since it is larger than the sum of its proper divisors (1).

54505005761 is an equidigital number, since it uses as much as digits as its factorization.

54505005761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105000, while the sum is 38.

The spelling of 54505005761 in words is "fifty-four billion, five hundred five million, five thousand, seven hundred sixty-one".