55065210 has 32 divisors (see below), whose sum is σ = 139931712. Its totient is φ = 13820160.

The previous prime is 55065203. The next prime is 55065221. The reversal of 55065210 is 1256055.

55065210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 53476 + ... + 54495.

It is an arithmetic number, because the mean of its divisors is an integer number (4372866).

Almost surely, 2^55065210 is an apocalyptic number.

55065210 is an abundant number, since it is smaller than the sum of its proper divisors (84866502).

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

55065210 is a wasteful number, since it uses less digits than its factorization.

55065210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107998.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 55065210 is about 7420.5936420208. The cubic root of 55065210 is about 380.4454840068.

The spelling of 55065210 in words is "fifty-five million, sixty-five thousand, two hundred ten".