53461321 has 4 divisors (see below), whose sum is σ = 54062100. Its totient is φ = 52860544.

The previous prime is 53461313. The next prime is 53461333. The reversal of 53461321 is 12316435.

53461321 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 37945600 + 15515721 = 6160^2 + 3939^2 .

It is a cyclic number.

It is not a de Polignac number, because 53461321 - 2³ = 53461313 is a prime.

It is a super-2 number, since 2×53461321² = 5716225686130082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53461621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300256 + ... + 300433.

It is an arithmetic number, because the mean of its divisors is an integer number (13515525).

Almost surely, 2^53461321 is an apocalyptic number.

It is an amenable number.

53461321 is a deficient number, since it is larger than the sum of its proper divisors (600779).

53461321 is an equidigital number, since it uses as much as digits as its factorization.

53461321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600778.

The product of its digits is 2160, while the sum is 25.

The square root of 53461321 is about 7311.7248990919. The cubic root of 53461321 is about 376.7152735282.

Adding to 53461321 its reverse (12316435), we get a palindrome (65777756).

The spelling of 53461321 in words is "fifty-three million, four hundred sixty-one thousand, three hundred twenty-one".