53553205 has 4 divisors (see below), whose sum is σ = 64263852. Its totient is φ = 42842560.

The previous prime is 53553197. The next prime is 53553217. The reversal of 53553205 is 50235535.

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 19342404 + 34210801 = 4398^2 + 5849^2 .

It is not a de Polignac number, because 53553205 - 2³ = 53553197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5355316 + ... + 5355325.

It is an arithmetic number, because the mean of its divisors is an integer number (16065963).

Almost surely, 2^53553205 is an apocalyptic number.

It is an amenable number.

53553205 is a deficient number, since it is larger than the sum of its proper divisors (10710647).

53553205 is a wasteful number, since it uses less digits than its factorization.

53553205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10710646.

The product of its (nonzero) digits is 11250, while the sum is 28.

The square root of 53553205 is about 7318.0055342969. The cubic root of 53553205 is about 376.9309702477.

The spelling of 53553205 in words is "fifty-three million, five hundred fifty-three thousand, two hundred five".