53025141221 has 8 divisors (see below), whose sum is σ = 57467720184. Its totient is φ = 48634522560.

The previous prime is 53025141203. The next prime is 53025141223. The reversal of 53025141221 is 12214152035.

53025141221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6148128100 + 46877013121 = 78410^2 + 216511^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-53025141221 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 (53025141223) 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, 12987950 + ... + 12992031.

It is an arithmetic number, because the mean of its divisors is an integer number (7183465023).

Almost surely, 2^53025141221 is an apocalyptic number.

It is an amenable number.

53025141221 is a deficient number, since it is larger than the sum of its proper divisors (4442578963).

53025141221 is a wasteful number, since it uses less digits than its factorization.

53025141221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25980151.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 53025141221 its reverse (12214152035), we get a palindrome (65239293256).

The spelling of 53025141221 in words is "fifty-three billion, twenty-five million, one hundred forty-one thousand, two hundred twenty-one".