54366569 has 2 divisors, whose sum is σ = 54366570. Its totient is φ = 54366568.

The previous prime is 54366563. The next prime is 54366643. The reversal of 54366569 is 96566345.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51768025 + 2598544 = 7195^2 + 1612^2 .

It is a cyclic number.

It is not a de Polignac number, because 54366569 - 2⁸ = 54366313 is a prime.

It is a super-4 number, since 4×54366569⁴ (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (54366563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27183284 + 27183285.

It is an arithmetic number, because the mean of its divisors is an integer number (27183285).

Almost surely, 2^54366569 is an apocalyptic number.

It is an amenable number.

54366569 is a deficient number, since it is larger than the sum of its proper divisors (1).

54366569 is an equidigital number, since it uses as much as digits as its factorization.

54366569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 583200, while the sum is 44.

The square root of 54366569 is about 7373.3689043747. The cubic root of 54366569 is about 378.8296610171.

The spelling of 54366569 in words is "fifty-four million, three hundred sixty-six thousand, five hundred sixty-nine".