53989765453 has 16 divisors (see below), whose sum is σ = 58335928000. Its totient is φ = 49671377280.

The previous prime is 53989765391. The next prime is 53989765541. The reversal of 53989765453 is 35456798935.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53989765453 is a prime.

It is a super-3 number, since 3×53989765453³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53989760453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9905473 + ... + 9910921.

It is an arithmetic number, because the mean of its divisors is an integer number (3645995500).

Almost surely, 2^53989765453 is an apocalyptic number.

It is an amenable number.

53989765453 is a deficient number, since it is larger than the sum of its proper divisors (4346162547).

53989765453 is a wasteful number, since it uses less digits than its factorization.

53989765453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7852.

The product of its digits is 122472000, while the sum is 64.

The spelling of 53989765453 in words is "fifty-three billion, nine hundred eighty-nine million, seven hundred sixty-five thousand, four hundred fifty-three".