55112700 has 36 divisors (see below), whose sum is σ = 159460280. Its totient is φ = 14696640.

The previous prime is 55112693. The next prime is 55112719. The reversal of 55112700 is 721155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91555 + ... + 92154.

Almost surely, 2^55112700 is an apocalyptic number.

55112700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55112700 is an abundant number, since it is smaller than the sum of its proper divisors (104347580).

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

55112700 is a wasteful number, since it uses less digits than its factorization.

55112700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183726 (or 183719 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 55112700 is about 7423.7928311612. The cubic root of 55112700 is about 380.5548220357.

Adding to 55112700 its reverse (721155), we get a palindrome (55833855).

The spelling of 55112700 in words is "fifty-five million, one hundred twelve thousand, seven hundred".