54520769 has 2 divisors, whose sum is σ = 54520770. Its totient is φ = 54520768.

The previous prime is 54520733. The next prime is 54520771. The reversal of 54520769 is 96702545.

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., 50580544 + 3940225 = 7112^2 + 1985^2 .

It is a cyclic number.

It is not a de Polignac number, because 54520769 - 2¹² = 54516673 is a prime.

It is a super-2 number, since 2×54520769² = 5945028504702722, which contains 22 as substring.

Together with 54520771, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54520469) 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, 27260384 + 27260385.

It is an arithmetic number, because the mean of its divisors is an integer number (27260385).

Almost surely, 2^54520769 is an apocalyptic number.

It is an amenable number.

54520769 is a deficient number, since it is larger than the sum of its proper divisors (1).

54520769 is an equidigital number, since it uses as much as digits as its factorization.

54520769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 54520769 is about 7383.8180503043. The cubic root of 54520769 is about 379.1874813568.

The spelling of 54520769 in words is "fifty-four million, five hundred twenty thousand, seven hundred sixty-nine".