53005021541 has 4 divisors (see below), whose sum is σ = 53032219500. Its totient is φ = 52977823584.

The previous prime is 53005021501. The next prime is 53005021543. The reversal of 53005021541 is 14512050035.

53005021541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 46963224100 + 6041797441 = 216710^2 + 77729^2 .

It is a cyclic number.

It is not a de Polignac number, because 53005021541 - 2¹⁰ = 53005020517 is a prime.

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 53005021541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53005021543) 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, 13596056 + ... + 13599953.

It is an arithmetic number, because the mean of its divisors is an integer number (13258054875).

Almost surely, 2^53005021541 is an apocalyptic number.

It is an amenable number.

53005021541 is a deficient number, since it is larger than the sum of its proper divisors (27197959).

53005021541 is a wasteful number, since it uses less digits than its factorization.

53005021541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27197958.

The product of its (nonzero) digits is 3000, while the sum is 26.

Adding to 53005021541 its reverse (14512050035), we get a palindrome (67517071576).

The spelling of 53005021541 in words is "fifty-three billion, five million, twenty-one thousand, five hundred forty-one".