53212405 has 8 divisors (see below), whose sum is σ = 64808352. Its totient is φ = 41934288.

The previous prime is 53212403. The next prime is 53212427. The reversal of 53212405 is 50421235.

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 53212405 - 2¹ = 53212403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53212403) 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 7 ways as a sum of consecutive naturals, for example, 79087 + ... + 79756.

It is an arithmetic number, because the mean of its divisors is an integer number (8101044).

Almost surely, 2^53212405 is an apocalyptic number.

It is an amenable number.

53212405 is a deficient number, since it is larger than the sum of its proper divisors (11595947).

53212405 is a wasteful number, since it uses less digits than its factorization.

53212405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158915.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 53212405 is about 7294.6833378838. The cubic root of 53212405 is about 376.1297014629.

The spelling of 53212405 in words is "fifty-three million, two hundred twelve thousand, four hundred five".