55146112 has 32 divisors (see below), whose sum is σ = 125557920. Its totient is φ = 23633664.

The previous prime is 55146059. The next prime is 55146121. The reversal of 55146112 is 21164155.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29878 + ... + 31669.

It is an arithmetic number, because the mean of its divisors is an integer number (3923685).

Almost surely, 2^55146112 is an apocalyptic number.

It is an amenable number.

55146112 is an abundant number, since it is smaller than the sum of its proper divisors (70411808).

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

55146112 is an equidigital number, since it uses as much as digits as its factorization.

55146112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61568 (or 61556 counting only the distinct ones).

The product of its digits is 1200, while the sum is 25.

The square root of 55146112 is about 7426.0428223920. The cubic root of 55146112 is about 380.6317101158.

The spelling of 55146112 in words is "fifty-five million, one hundred forty-six thousand, one hundred twelve".