53031360989 has 4 divisors (see below), whose sum is σ = 54324808860. Its totient is φ = 51737913120.

The previous prime is 53031360979. The next prime is 53031361003. The reversal of 53031360989 is 98906313035.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98906313035 = 5 ⋅19781262607.

It can be written as a sum of positive squares in 2 ways, for example, as 25627207225 + 27404153764 = 160085^2 + 165542^2 .

It is not a de Polignac number, because 53031360989 - 2¹⁶ = 53031295453 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 (53031360979) 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, 646723874 + ... + 646723955.

It is an arithmetic number, because the mean of its divisors is an integer number (13581202215).

Almost surely, 2^53031360989 is an apocalyptic number.

It is an amenable number.

53031360989 is a deficient number, since it is larger than the sum of its proper divisors (1293447871).

53031360989 is a wasteful number, since it uses less digits than its factorization.

53031360989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293447870.

The product of its (nonzero) digits is 524880, while the sum is 47.

The spelling of 53031360989 in words is "fifty-three billion, thirty-one million, three hundred sixty thousand, nine hundred eighty-nine".