54628589 has 2 divisors, whose sum is σ = 54628590. Its totient is φ = 54628588.

The previous prime is 54628559. The next prime is 54628597. The reversal of 54628589 is 98582645.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53509225 + 1119364 = 7315^2 + 1058^2 .

It is a cyclic number.

It is not a de Polignac number, because 54628589 - 2¹⁶ = 54563053 is a prime.

It is a super-2 number, since 2×54628589² = 5968565472261842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54628549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27314294 + 27314295.

It is an arithmetic number, because the mean of its divisors is an integer number (27314295).

Almost surely, 2^54628589 is an apocalyptic number.

It is an amenable number.

54628589 is a deficient number, since it is larger than the sum of its proper divisors (1).

54628589 is an equidigital number, since it uses as much as digits as its factorization.

54628589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 691200, while the sum is 47.

The square root of 54628589 is about 7391.1155450311. The cubic root of 54628589 is about 379.4372765198.

The spelling of 54628589 in words is "fifty-four million, six hundred twenty-eight thousand, five hundred eighty-nine".