55106650 has 72 divisors (see below), whose sum is σ = 112251744. Its totient is φ = 20109600.

The previous prime is 55106633. The next prime is 55106651. The reversal of 55106650 is 5660155.

55106650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55106651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 776115 + ... + 776185.

It is an arithmetic number, because the mean of its divisors is an integer number (1559052).

Almost surely, 2^55106650 is an apocalyptic number.

55106650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55106650 is an abundant number, since it is smaller than the sum of its proper divisors (57145094).

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

55106650 is a wasteful number, since it uses less digits than its factorization.

55106650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 55106650 is about 7423.3853463228. The cubic root of 55106650 is about 380.5408963832.

The spelling of 55106650 in words is "fifty-five million, one hundred six thousand, six hundred fifty".