53048663244221 has 4 divisors (see below), whose sum is σ = 54177358206912. Its totient is φ = 51919968281532.

The previous prime is 53048663244167. The next prime is 53048663244233. The reversal of 53048663244221 is 12244236684035.

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 a de Polignac number, because none of the positive numbers 2^k-53048663244221 is a prime.

It is a super-2 number, since 2×53048663244221² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53048663244221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53048663244281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564347481275 + ... + 564347481368.

It is an arithmetic number, because the mean of its divisors is an integer number (13544339551728).

Almost surely, 2^{53048663244221} is an apocalyptic number.

It is an amenable number.

53048663244221 is a deficient number, since it is larger than the sum of its proper divisors (1128694962691).

53048663244221 is a wasteful number, since it uses less digits than its factorization.

53048663244221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128694962690.

The product of its (nonzero) digits is 6635520, while the sum is 50.

The spelling of 53048663244221 in words is "fifty-three trillion, forty-eight billion, six hundred sixty-three million, two hundred forty-four thousand, two hundred twenty-one".