211700054 has 16 divisors (see below), whose sum is σ = 328871040. Its totient is φ = 102098880.

The previous prime is 211700053. The next prime is 211700057. The reversal of 211700054 is 450007112.

211700054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 211699999 and 211700035.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211700053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13952 + ... + 24860.

It is an arithmetic number, because the mean of its divisors is an integer number (20554440).

Almost surely, 2^211700054 is an apocalyptic number.

211700054 is a deficient number, since it is larger than the sum of its proper divisors (117170986).

211700054 is a wasteful number, since it uses less digits than its factorization.

211700054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11255.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 211700054 is about 14549.9159447744. The cubic root of 211700054 is about 595.9918527331.

Adding to 211700054 its reverse (450007112), we get a palindrome (661707166).

The spelling of 211700054 in words is "two hundred eleven million, seven hundred thousand, fifty-four".