54527540569 has 2 divisors, whose sum is σ = 54527540570. Its totient is φ = 54527540568.

The previous prime is 54527540519. The next prime is 54527540597. The reversal of 54527540569 is 96504572545.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39925234969 + 14602305600 = 199813^2 + 120840^2 .

It is a cyclic number.

It is not a de Polignac number, because 54527540569 - 2⁹ = 54527540057 is a prime.

It is a super-2 number, since 2×54527540569² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54527540519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27263770284 + 27263770285.

It is an arithmetic number, because the mean of its divisors is an integer number (27263770285).

Almost surely, 2^54527540569 is an apocalyptic number.

It is an amenable number.

54527540569 is a deficient number, since it is larger than the sum of its proper divisors (1).

54527540569 is an equidigital number, since it uses as much as digits as its factorization.

54527540569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560000, while the sum is 52.

The spelling of 54527540569 in words is "fifty-four billion, five hundred twenty-seven million, five hundred forty thousand, five hundred sixty-nine".