210055061 has 4 divisors (see below), whose sum is σ = 210100800. Its totient is φ = 210009324.

The previous prime is 210055049. The next prime is 210055093. The reversal of 210055061 is 160550012.

210055061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 210055061 - 2⁶ = 210054997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210055561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15101 + ... + 25458.

It is an arithmetic number, because the mean of its divisors is an integer number (52525200).

Almost surely, 2^210055061 is an apocalyptic number.

It is an amenable number.

210055061 is a deficient number, since it is larger than the sum of its proper divisors (45739).

210055061 is an equidigital number, since it uses as much as digits as its factorization.

210055061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45738.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 210055061 is about 14493.2764066653. The cubic root of 210055061 is about 594.4441396711. Note that the first 3 decimals are identical.

The spelling of 210055061 in words is "two hundred ten million, fifty-five thousand, sixty-one".