53806212 has 18 divisors (see below), whose sum is σ = 136010238. Its totient is φ = 17935392.

The previous prime is 53806199. The next prime is 53806213. The reversal of 53806212 is 21260835.

53806212 is a `hidden beast` number, since 5 + 38 + 0 + 621 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 50211396 + 3594816 = 7086^2 + 1896^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53806213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 747273 + ... + 747344.

Almost surely, 2^53806212 is an apocalyptic number.

It is an amenable number.

53806212 is an abundant number, since it is smaller than the sum of its proper divisors (82204026).

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

53806212 is a wasteful number, since it uses less digits than its factorization.

53806212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494627 (or 1494622 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 53806212 is about 7335.2717741063. The cubic root of 53806212 is about 377.5236293558.

The spelling of 53806212 in words is "fifty-three million, eight hundred six thousand, two hundred twelve".