53215055 has 8 divisors (see below), whose sum is σ = 63914400. Its totient is φ = 42534496.

The previous prime is 53215039. The next prime is 53215061. The reversal of 53215055 is 55051235.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53215055 - 2⁴ = 53215039 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 2561 + ... + 10629.

It is an arithmetic number, because the mean of its divisors is an integer number (7989300).

Almost surely, 2^53215055 is an apocalyptic number.

53215055 is a deficient number, since it is larger than the sum of its proper divisors (10699345).

53215055 is a wasteful number, since it uses less digits than its factorization.

53215055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9393.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 53215055 is about 7294.8649747614. The cubic root of 53215055 is about 376.1359451647.

The spelling of 53215055 in words is "fifty-three million, two hundred fifteen thousand, fifty-five".