53801542889 has 4 divisors (see below), whose sum is σ = 53802226500. Its totient is φ = 53800859280.

The previous prime is 53801542849. The next prime is 53801542957. The reversal of 53801542889 is 98824510835.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98824510835 = 5 ⋅19764902167.

It can be written as a sum of positive squares in 2 ways, for example, as 20824798864 + 32976744025 = 144308^2 + 181595^2 .

It is a cyclic number.

It is not a de Polignac number, because 53801542889 - 2³² = 49506575593 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53801542889.

It is not an unprimeable number, because it can be changed into a prime (53801542849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205682 + ... + 387179.

It is an arithmetic number, because the mean of its divisors is an integer number (13450556625).

Almost surely, 2^53801542889 is an apocalyptic number.

It is an amenable number.

53801542889 is a deficient number, since it is larger than the sum of its proper divisors (683611).

53801542889 is an equidigital number, since it uses as much as digits as its factorization.

53801542889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683610.

The product of its (nonzero) digits is 2764800, while the sum is 53.

The spelling of 53801542889 in words is "fifty-three billion, eight hundred one million, five hundred forty-two thousand, eight hundred eighty-nine".