53212866351663 has 8 divisors (see below), whose sum is σ = 70950681180288. Its totient is φ = 35475147878744.

The previous prime is 53212866351643. The next prime is 53212866351731. The reversal of 53212866351663 is 36615366821235.

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 53212866351663 - 2⁶ = 53212866351599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53212866351643) 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, 22790331 + ... + 25016492.

It is an arithmetic number, because the mean of its divisors is an integer number (8868835147536).

Almost surely, 2^{53212866351663} is an apocalyptic number.

53212866351663 is a deficient number, since it is larger than the sum of its proper divisors (17737814828625).

53212866351663 is a wasteful number, since it uses less digits than its factorization.

53212866351663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48177853.

The product of its digits is 27993600, while the sum is 57.

The spelling of 53212866351663 in words is "fifty-three trillion, two hundred twelve billion, eight hundred sixty-six million, three hundred fifty-one thousand, six hundred sixty-three".