52420241141021 has 4 divisors (see below), whose sum is σ = 56452567382652. Its totient is φ = 48387914899392.

The previous prime is 52420241140963. The next prime is 52420241141033. The reversal of 52420241141021 is 12014114202425.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29598496202500 + 22821744938521 = 5440450^2 + 4777211^2 .

It is a cyclic number.

It is not a de Polignac number, because 52420241141021 - 2⁶ = 52420241140957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52420241141041) 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, 2016163120796 + ... + 2016163120821.

It is an arithmetic number, because the mean of its divisors is an integer number (14113141845663).

Almost surely, 2^{52420241141021} is an apocalyptic number.

It is an amenable number.

52420241141021 is a deficient number, since it is larger than the sum of its proper divisors (4032326241631).

52420241141021 is a wasteful number, since it uses less digits than its factorization.

52420241141021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4032326241630.

The product of its (nonzero) digits is 5120, while the sum is 29.

Adding to 52420241141021 its reverse (12014114202425), we get a palindrome (64434355343446).

The spelling of 52420241141021 in words is "fifty-two trillion, four hundred twenty billion, two hundred forty-one million, one hundred forty-one thousand, twenty-one".