53212350 has 48 divisors (see below), whose sum is σ = 138919680. Its totient is φ = 13442400.

The previous prime is 53212343. The next prime is 53212351. The reversal of 53212350 is 5321235.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53212351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6486 + ... + 12185.

It is an arithmetic number, because the mean of its divisors is an integer number (2894160).

Almost surely, 2^53212350 is an apocalyptic number.

53212350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53212350 is an abundant number, since it is smaller than the sum of its proper divisors (85707330).

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

53212350 is a wasteful number, since it uses less digits than its factorization.

53212350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18705 (or 18700 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 53212350 is about 7294.6795680139. The cubic root of 53212350 is about 376.1295718745.

Adding to 53212350 its reverse (5321235), we get a palindrome (58533585).

The spelling of 53212350 in words is "fifty-three million, two hundred twelve thousand, three hundred fifty".