55245212 has 18 divisors (see below), whose sum is σ = 106268064. Its totient is φ = 25111240.

The previous prime is 55245191. The next prime is 55245227. The reversal of 55245212 is 21254255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56588 + ... + 57555.

Almost surely, 2^55245212 is an apocalyptic number.

It is an amenable number.

55245212 is a deficient number, since it is larger than the sum of its proper divisors (51022852).

55245212 is a wasteful number, since it uses less digits than its factorization.

55245212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114169 (or 114156 counting only the distinct ones).

The product of its digits is 4000, while the sum is 26.

The square root of 55245212 is about 7432.7122909474. The cubic root of 55245212 is about 380.8595776749.

Adding to 55245212 its reverse (21254255), we get a palindrome (76499467).

The spelling of 55245212 in words is "fifty-five million, two hundred forty-five thousand, two hundred twelve".