53121041 has 4 divisors (see below), whose sum is σ = 53608500. Its totient is φ = 52633584.

The previous prime is 53121037. The next prime is 53121043. The reversal of 53121041 is 14012135.

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 12988816 + 40132225 = 3604^2 + 6335^2 .

It is a cyclic number.

It is not a de Polignac number, because 53121041 - 2² = 53121037 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53121043) 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, 243566 + ... + 243783.

It is an arithmetic number, because the mean of its divisors is an integer number (13402125).

Almost surely, 2^53121041 is an apocalyptic number.

It is an amenable number.

53121041 is a deficient number, since it is larger than the sum of its proper divisors (487459).

53121041 is a wasteful number, since it uses less digits than its factorization.

53121041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487458.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 53121041 is about 7288.4182783372. The cubic root of 53121041 is about 375.9143105810.

Adding to 53121041 its reverse (14012135), we get a palindrome (67133176).

The spelling of 53121041 in words is "fifty-three million, one hundred twenty-one thousand, forty-one".