54552569 has 2 divisors, whose sum is σ = 54552570. Its totient is φ = 54552568.

The previous prime is 54552551. The next prime is 54552583. The reversal of 54552569 is 96525545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51265600 + 3286969 = 7160^2 + 1813^2 .

It is a cyclic number.

It is not a de Polignac number, because 54552569 - 2⁸ = 54552313 is a prime.

It is a super-2 number, since 2×54552569² = 5951965568999522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54551569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27276284 + 27276285.

It is an arithmetic number, because the mean of its divisors is an integer number (27276285).

Almost surely, 2^54552569 is an apocalyptic number.

It is an amenable number.

54552569 is a deficient number, since it is larger than the sum of its proper divisors (1).

54552569 is an equidigital number, since it uses as much as digits as its factorization.

54552569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 270000, while the sum is 41.

The square root of 54552569 is about 7385.9710939050. The cubic root of 54552569 is about 379.2611891598.

The spelling of 54552569 in words is "fifty-four million, five hundred fifty-two thousand, five hundred sixty-nine".