55078210 has 32 divisors (see below), whose sum is σ = 108464832. Its totient is φ = 19970880.

The previous prime is 55078187. The next prime is 55078213. The reversal of 55078210 is 1287055.

It is not an unprimeable number, because it can be changed into a prime (55078213) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 64144 + ... + 64996.

It is an arithmetic number, because the mean of its divisors is an integer number (3389526).

Almost surely, 2^55078210 is an apocalyptic number.

55078210 is a deficient number, since it is larger than the sum of its proper divisors (53386622).

55078210 is a wasteful number, since it uses less digits than its factorization.

55078210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 55078210 is about 7421.4695310296. The cubic root of 55078210 is about 380.4754206470.

The spelling of 55078210 in words is "fifty-five million, seventy-eight thousand, two hundred ten".