53366043589 has 4 divisors (see below), whose sum is σ = 54097085356. Its totient is φ = 52635001824.

The previous prime is 53366043559. The next prime is 53366043631. The reversal of 53366043589 is 98534066335.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98534066335 = 5 ⋅19706813267.

It can be written as a sum of positive squares in 2 ways, for example, as 44282047489 + 9083996100 = 210433^2 + 95310^2 .

It is a cyclic number.

It is not a de Polignac number, because 53366043589 - 2¹⁹ = 53365519301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53366043529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365520774 + ... + 365520919.

It is an arithmetic number, because the mean of its divisors is an integer number (13524271339).

Almost surely, 2^53366043589 is an apocalyptic number.

It is an amenable number.

53366043589 is a deficient number, since it is larger than the sum of its proper divisors (731041767).

53366043589 is an equidigital number, since it uses as much as digits as its factorization.

53366043589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731041766.

The product of its (nonzero) digits is 6998400, while the sum is 52.

The spelling of 53366043589 in words is "fifty-three billion, three hundred sixty-six million, forty-three thousand, five hundred eighty-nine".