53201405 has 4 divisors (see below), whose sum is σ = 63841692. Its totient is φ = 42561120.

The previous prime is 53201389. The next prime is 53201413. The reversal of 53201405 is 50410235.

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 29181604 + 24019801 = 5402^2 + 4901^2 .

It is not a de Polignac number, because 53201405 - 2⁴ = 53201389 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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5320136 + ... + 5320145.

It is an arithmetic number, because the mean of its divisors is an integer number (15960423).

Almost surely, 2^53201405 is an apocalyptic number.

It is an amenable number.

53201405 is a deficient number, since it is larger than the sum of its proper divisors (10640287).

53201405 is a wasteful number, since it uses less digits than its factorization.

53201405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10640286.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 53201405 is about 7293.9293251306. The cubic root of 53201405 is about 376.1037819940.

The spelling of 53201405 in words is "fifty-three million, two hundred one thousand, four hundred five".