53205055 has 4 divisors (see below), whose sum is σ = 63846072. Its totient is φ = 42564040.

The previous prime is 53205029. The next prime is 53205059. The reversal of 53205055 is 55050235.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 53205055 - 2⁵ = 53205023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53205059) 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, 5320501 + ... + 5320510.

It is an arithmetic number, because the mean of its divisors is an integer number (15961518).

Almost surely, 2^53205055 is an apocalyptic number.

53205055 is a deficient number, since it is larger than the sum of its proper divisors (10641017).

53205055 is a wasteful number, since it uses less digits than its factorization.

53205055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10641016.

The product of its (nonzero) digits is 3750, while the sum is 25.

The square root of 53205055 is about 7294.1795289121. The cubic root of 53205055 is about 376.1123829411.

The spelling of 53205055 in words is "fifty-three million, two hundred five thousand, fifty-five".