53215206 has 16 divisors (see below), whose sum is σ = 116106048. Its totient is φ = 16125800.

The previous prime is 53215199. The next prime is 53215207. The reversal of 53215206 is 60251235.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53215207) by changing a digit.

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, 403080 + ... + 403211.

It is an arithmetic number, because the mean of its divisors is an integer number (7256628).

Almost surely, 2^53215206 is an apocalyptic number.

53215206 is an abundant number, since it is smaller than the sum of its proper divisors (62890842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53215206 is a wasteful number, since it uses less digits than its factorization.

53215206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806307.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 53215206 is about 7294.8753245001. The cubic root of 53215206 is about 376.1363009317.

The spelling of 53215206 in words is "fifty-three million, two hundred fifteen thousand, two hundred six".