53211055 has 4 divisors (see below), whose sum is σ = 63853272. Its totient is φ = 42568840.

The previous prime is 53211049. The next prime is 53211083. The reversal of 53211055 is 55011235.

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

It is not a de Polignac number, because 53211055 - 2³ = 53211047 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5321101 + ... + 5321110.

It is an arithmetic number, because the mean of its divisors is an integer number (15963318).

Almost surely, 2^53211055 is an apocalyptic number.

53211055 is a deficient number, since it is larger than the sum of its proper divisors (10642217).

53211055 is a wasteful number, since it uses less digits than its factorization.

53211055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10642216.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 53211055 is about 7294.5908041507. The cubic root of 53211055 is about 376.1265206295.

The spelling of 53211055 in words is "fifty-three million, two hundred eleven thousand, fifty-five".