53662543503641 has 8 divisors (see below), whose sum is σ = 53681662233864. Its totient is φ = 53643425420160.

The previous prime is 53662543503637. The next prime is 53662543503713. The reversal of 53662543503641 is 14630534526635.

It can be written as a sum of positive squares in 4 ways, for example, as 33138961656025 + 20523581847616 = 5756645^2 + 4530296^2 .

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 53662543503641 - 2² = 53662543503637 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53662543503601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217326671 + ... + 217573451.

It is an arithmetic number, because the mean of its divisors is an integer number (6710207779233).

Almost surely, 2^{53662543503641} is an apocalyptic number.

It is an amenable number.

53662543503641 is a deficient number, since it is larger than the sum of its proper divisors (19118730223).

53662543503641 is a wasteful number, since it uses less digits than its factorization.

53662543503641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323371.

The product of its (nonzero) digits is 23328000, while the sum is 53.

The spelling of 53662543503641 in words is "fifty-three trillion, six hundred sixty-two billion, five hundred forty-three million, five hundred three thousand, six hundred forty-one".