54258569 has 2 divisors, whose sum is σ = 54258570. Its totient is φ = 54258568.

The previous prime is 54258563. The next prime is 54258593. The reversal of 54258569 is 96585245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27426169 + 26832400 = 5237^2 + 5180^2 .

It is a cyclic number.

It is not a de Polignac number, because 54258569 - 2⁴ = 54258553 is a prime.

It is a super-2 number, since 2×54258569² = 5887984619855522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54258563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27129284 + 27129285.

It is an arithmetic number, because the mean of its divisors is an integer number (27129285).

Almost surely, 2^54258569 is an apocalyptic number.

It is an amenable number.

54258569 is a deficient number, since it is larger than the sum of its proper divisors (1).

54258569 is an equidigital number, since it uses as much as digits as its factorization.

54258569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432000, while the sum is 44.

The square root of 54258569 is about 7366.0416099829. The cubic root of 54258569 is about 378.5786444708.

The spelling of 54258569 in words is "fifty-four million, two hundred fifty-eight thousand, five hundred sixty-nine".