53944589 has 2 divisors, whose sum is σ = 53944590. Its totient is φ = 53944588.

The previous prime is 53944567. The next prime is 53944603. The reversal of 53944589 is 98544935.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53042089 + 902500 = 7283^2 + 950^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53944589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53944529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26972294 + 26972295.

It is an arithmetic number, because the mean of its divisors is an integer number (26972295).

Almost surely, 2^53944589 is an apocalyptic number.

It is an amenable number.

53944589 is a deficient number, since it is larger than the sum of its proper divisors (1).

53944589 is an equidigital number, since it uses as much as digits as its factorization.

53944589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 777600, while the sum is 47.

The square root of 53944589 is about 7344.6980196602. The cubic root of 53944589 is about 377.8469864904.

The spelling of 53944589 in words is "fifty-three million, nine hundred forty-four thousand, five hundred eighty-nine".