53451353 has 4 divisors (see below), whose sum is σ = 54052020. Its totient is φ = 52850688.

The previous prime is 53451337. The next prime is 53451367. The reversal of 53451353 is 35315435.

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 32171584 + 21279769 = 5672^2 + 4613^2 .

It is a cyclic number.

It is not a de Polignac number, because 53451353 - 2⁴ = 53451337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53451053) 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, 300200 + ... + 300377.

It is an arithmetic number, because the mean of its divisors is an integer number (13513005).

Almost surely, 2^53451353 is an apocalyptic number.

It is an amenable number.

53451353 is a deficient number, since it is larger than the sum of its proper divisors (600667).

53451353 is an equidigital number, since it uses as much as digits as its factorization.

53451353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600666.

The product of its digits is 13500, while the sum is 29.

The square root of 53451353 is about 7311.0432224136. The cubic root of 53451353 is about 376.6918588975.

Adding to 53451353 its reverse (35315435), we get a palindrome (88766788).

The spelling of 53451353 in words is "fifty-three million, four hundred fifty-one thousand, three hundred fifty-three".