55235313212 has 24 divisors (see below), whose sum is σ = 102260592000. Its totient is φ = 26032610736.

The previous prime is 55235313197. The next prime is 55235313223. The reversal of 55235313212 is 21231353255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1810958 + ... + 1841205.

It is an arithmetic number, because the mean of its divisors is an integer number (4260858000).

Almost surely, 2^55235313212 is an apocalyptic number.

It is an amenable number.

55235313212 is a deficient number, since it is larger than the sum of its proper divisors (47025278788).

55235313212 is a wasteful number, since it uses less digits than its factorization.

55235313212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3652385 (or 3652383 counting only the distinct ones).

The product of its digits is 27000, while the sum is 32.

Adding to 55235313212 its reverse (21231353255), we get a palindrome (76466666467).

It can be divided in two parts, 552353 and 13212, that added together give a palindrome (565565).

The spelling of 55235313212 in words is "fifty-five billion, two hundred thirty-five million, three hundred thirteen thousand, two hundred twelve".