55210822 has 8 divisors (see below), whose sum is σ = 82961496. Its totient is φ = 27556992.

The previous prime is 55210819. The next prime is 55210829. The reversal of 55210822 is 22801255.

55210822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55210829) 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 3 ways as a sum of consecutive naturals, for example, 22768 + ... + 25075.

It is an arithmetic number, because the mean of its divisors is an integer number (10370187).

Almost surely, 2^55210822 is an apocalyptic number.

55210822 is a deficient number, since it is larger than the sum of its proper divisors (27750674).

55210822 is a wasteful number, since it uses less digits than its factorization.

55210822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48422.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 55210822 is about 7430.3985088284. The cubic root of 55210822 is about 380.7805332406.

The spelling of 55210822 in words is "fifty-five million, two hundred ten thousand, eight hundred twenty-two".