4321210055 has 4 divisors (see below), whose sum is σ = 5185452072. Its totient is φ = 3456968040.

The previous prime is 4321210043. The next prime is 4321210073. The reversal of 4321210055 is 5500121234.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5500121234 = 2 ⋅2750060617.

It is not a de Polignac number, because 4321210055 - 2⁴ = 4321210039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4321210055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432121001 + ... + 432121010.

It is an arithmetic number, because the mean of its divisors is an integer number (1296363018).

Almost surely, 2^4321210055 is an apocalyptic number.

4321210055 is a deficient number, since it is larger than the sum of its proper divisors (864242017).

4321210055 is an equidigital number, since it uses as much as digits as its factorization.

4321210055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864242016.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 4321210055 is about 65735.9114563722. The cubic root of 4321210055 is about 1628.8026203264.

Adding to 4321210055 its reverse (5500121234), we get a palindrome (9821331289).

The spelling of 4321210055 in words is "four billion, three hundred twenty-one million, two hundred ten thousand, fifty-five".