55210112 has 16 divisors (see below), whose sum is σ = 109989150. Its totient is φ = 27604992.

The previous prime is 55210091. The next prime is 55210123. The reversal of 55210112 is 21101255.

It can be written as a sum of positive squares in only one way, i.e., 31629376 + 23580736 = 5624^2 + 4856^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215537 + ... + 215792.

Almost surely, 2^55210112 is an apocalyptic number.

It is an amenable number.

55210112 is a deficient number, since it is larger than the sum of its proper divisors (54779038).

55210112 is an equidigital number, since it uses as much as digits as its factorization.

55210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431343 (or 431331 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 55210112 is about 7430.3507319641. The cubic root of 55210112 is about 380.7789009801.

Adding to 55210112 its reverse (21101255), we get a palindrome (76311367).

The spelling of 55210112 in words is "fifty-five million, two hundred ten thousand, one hundred twelve".