55353212 has 12 divisors (see below), whose sum is σ = 99121176. Its totient is φ = 27032880.

The previous prime is 55353209. The next prime is 55353223. The reversal of 55353212 is 21235355.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160739 + ... + 161082.

It is an arithmetic number, because the mean of its divisors is an integer number (8260098).

Almost surely, 2^55353212 is an apocalyptic number.

It is an amenable number.

55353212 is a deficient number, since it is larger than the sum of its proper divisors (43767964).

55353212 is a wasteful number, since it uses less digits than its factorization.

55353212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321868 (or 321866 counting only the distinct ones).

The product of its digits is 4500, while the sum is 26.

The square root of 55353212 is about 7439.9739246855. The cubic root of 55353212 is about 381.1075995285.

Adding to 55353212 its reverse (21235355), we get a palindrome (76588567).

The spelling of 55353212 in words is "fifty-five million, three hundred fifty-three thousand, two hundred twelve".