53965250645 has 8 divisors (see below), whose sum is σ = 65132627256. Its totient is φ = 42922649536.

The previous prime is 53965250623. The next prime is 53965250711. The reversal of 53965250645 is 54605256935.

It can be written as a sum of positive squares in 4 ways, for example, as 34909932964 + 19055317681 = 186842^2 + 138041^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53965250645 - 2²⁰ = 53964202069 is a prime.

It is a super-3 number, since 3×53965250645³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53965250593 and 53965250602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31192922 + ... + 31194651.

It is an arithmetic number, because the mean of its divisors is an integer number (8141578407).

Almost surely, 2^53965250645 is an apocalyptic number.

It is an amenable number.

53965250645 is a deficient number, since it is larger than the sum of its proper divisors (11167376611).

53965250645 is a wasteful number, since it uses less digits than its factorization.

53965250645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62387751.

The product of its (nonzero) digits is 4860000, while the sum is 50.

The spelling of 53965250645 in words is "fifty-three billion, nine hundred sixty-five million, two hundred fifty thousand, six hundred forty-five".