54720211 has 12 divisors (see below), whose sum is σ = 68551392. Its totient is φ = 43294608.

The previous prime is 54720131. The next prime is 54720251. The reversal of 54720211 is 11202745.

It is a happy number.

It is not a de Polignac number, because 54720211 - 2⁹ = 54719699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54720251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42315 + ... + 43588.

It is an arithmetic number, because the mean of its divisors is an integer number (5712616).

Almost surely, 2^54720211 is an apocalyptic number.

54720211 is a deficient number, since it is larger than the sum of its proper divisors (13831181).

54720211 is a wasteful number, since it uses less digits than its factorization.

54720211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85930 (or 85923 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 54720211 is about 7397.3110655156. The cubic root of 54720211 is about 379.6492862951.

Adding to 54720211 its reverse (11202745), we get a palindrome (65922956).

The spelling of 54720211 in words is "fifty-four million, seven hundred twenty thousand, two hundred eleven".