53421541 has 8 divisors (see below), whose sum is σ = 54152280. Its totient is φ = 52695552.

The previous prime is 53421527. The next prime is 53421547. The reversal of 53421541 is 14512435.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3422500 + 49999041 = 1850^2 + 7071^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 53421541 - 2¹¹ = 53419493 is a prime.

It is a super-2 number, since 2×53421541² = 5707722085629362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53421547) 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, 25315 + ... + 27343.

It is an arithmetic number, because the mean of its divisors is an integer number (6769035).

Almost surely, 2^53421541 is an apocalyptic number.

It is an amenable number.

53421541 is a deficient number, since it is larger than the sum of its proper divisors (730739).

53421541 is a wasteful number, since it uses less digits than its factorization.

53421541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2375.

The product of its digits is 2400, while the sum is 25.

The square root of 53421541 is about 7309.0041045275. The cubic root of 53421541 is about 376.6218137349.

Adding to 53421541 its reverse (14512435), we get a palindrome (67933976).

The spelling of 53421541 in words is "fifty-three million, four hundred twenty-one thousand, five hundred forty-one".