53489641 has 2 divisors, whose sum is σ = 53489642. Its totient is φ = 53489640.

The previous prime is 53489627. The next prime is 53489669. The reversal of 53489641 is 14698435.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41731600 + 11758041 = 6460^2 + 3429^2 .

It is a cyclic number.

It is not a de Polignac number, because 53489641 - 2⁵ = 53489609 is a prime.

It is a super-2 number, since 2×53489641² = 5722283388617762, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 53489594 and 53489603.

It is not a weakly prime, because it can be changed into another prime (53489671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26744820 + 26744821.

It is an arithmetic number, because the mean of its divisors is an integer number (26744821).

Almost surely, 2^53489641 is an apocalyptic number.

It is an amenable number.

53489641 is a deficient number, since it is larger than the sum of its proper divisors (1).

53489641 is an equidigital number, since it uses as much as digits as its factorization.

53489641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 40.

The square root of 53489641 is about 7313.6612582208. The cubic root of 53489641 is about 376.7817807592.

The spelling of 53489641 in words is "fifty-three million, four hundred eighty-nine thousand, six hundred forty-one".