53205147229791 has 8 divisors (see below), whose sum is σ = 71064434831104. Its totient is φ = 35407978890840.

The previous prime is 53205147229781. The next prime is 53205147229811. The reversal of 53205147229791 is 19792274150235.

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

It is not a de Polignac number, because 53205147229791 - 2¹⁸ = 53205146967647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53205147229771) 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, 15529813591 + ... + 15529817016.

It is an arithmetic number, because the mean of its divisors is an integer number (8883054353888).

Almost surely, 2^{53205147229791} is an apocalyptic number.

53205147229791 is a deficient number, since it is larger than the sum of its proper divisors (17859287601313).

53205147229791 is a wasteful number, since it uses less digits than its factorization.

53205147229791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31059631181.

The product of its (nonzero) digits is 9525600, while the sum is 57.

The spelling of 53205147229791 in words is "fifty-three trillion, two hundred five billion, one hundred forty-seven million, two hundred twenty-nine thousand, seven hundred ninety-one".