54541121036569 has 2 divisors, whose sum is σ = 54541121036570. Its totient is φ = 54541121036568.

The previous prime is 54541121036537. The next prime is 54541121036641. The reversal of 54541121036569 is 96563012114545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36653398182025 + 17887722854544 = 6054205^2 + 4229388^2 .

It is a cyclic number.

It is not a de Polignac number, because 54541121036569 - 2⁵ = 54541121036537 is a prime.

It is a super-2 number, since 2×54541121036569² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54541121036669) 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 as a sum of consecutive naturals, namely, 27270560518284 + 27270560518285.

It is an arithmetic number, because the mean of its divisors is an integer number (27270560518285).

Almost surely, 2^{54541121036569} is an apocalyptic number.

It is an amenable number.

54541121036569 is a deficient number, since it is larger than the sum of its proper divisors (1).

54541121036569 is an equidigital number, since it uses as much as digits as its factorization.

54541121036569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888000, while the sum is 52.

The spelling of 54541121036569 in words is "fifty-four trillion, five hundred forty-one billion, one hundred twenty-one million, thirty-six thousand, five hundred sixty-nine".