53645345261241 has 4 divisors (see below), whose sum is σ = 71527127014992. Its totient is φ = 35763563507492.

The previous prime is 53645345261227. The next prime is 53645345261309. The reversal of 53645345261241 is 14216254354635.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53645345261241 - 2¹⁰ = 53645345260217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53645345262241) 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, 8940890876871 + ... + 8940890876876.

It is an arithmetic number, because the mean of its divisors is an integer number (17881781753748).

Almost surely, 2^{53645345261241} is an apocalyptic number.

It is an amenable number.

53645345261241 is a deficient number, since it is larger than the sum of its proper divisors (17881781753751).

53645345261241 is a wasteful number, since it uses less digits than its factorization.

53645345261241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17881781753750.

The product of its digits is 10368000, while the sum is 51.

The spelling of 53645345261241 in words is "fifty-three trillion, six hundred forty-five billion, three hundred forty-five million, two hundred sixty-one thousand, two hundred forty-one".