54008869 has 2 divisors, whose sum is σ = 54008870. Its totient is φ = 54008868.

The previous prime is 54008837. The next prime is 54008873. The reversal of 54008869 is 96880045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30360100 + 23648769 = 5510^2 + 4863^2 .

It is a cyclic number.

It is not a de Polignac number, because 54008869 - 2⁵ = 54008837 is a prime.

It is a super-2 number, since 2×54008869² = 5833915861318322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54008809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27004434 + 27004435.

It is an arithmetic number, because the mean of its divisors is an integer number (27004435).

Almost surely, 2^54008869 is an apocalyptic number.

It is an amenable number.

54008869 is a deficient number, since it is larger than the sum of its proper divisors (1).

54008869 is an equidigital number, since it uses as much as digits as its factorization.

54008869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 54008869 is about 7349.0726625881. The cubic root of 54008869 is about 377.9970068723.

The spelling of 54008869 in words is "fifty-four million, eight thousand, eight hundred sixty-nine".