54511211 has 4 divisors (see below), whose sum is σ = 55671072. Its totient is φ = 53351352.

The previous prime is 54511207. The next prime is 54511243. The reversal of 54511211 is 11211545.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54511211 - 2² = 54511207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54511201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579860 + ... + 579953.

It is an arithmetic number, because the mean of its divisors is an integer number (13917768).

Almost surely, 2^54511211 is an apocalyptic number.

54511211 is a deficient number, since it is larger than the sum of its proper divisors (1159861).

54511211 is a wasteful number, since it uses less digits than its factorization.

54511211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159860.

The product of its digits is 200, while the sum is 20.

The square root of 54511211 is about 7383.1707958031. The cubic root of 54511211 is about 379.1653216928.

Adding to 54511211 its reverse (11211545), we get a palindrome (65722756).

It can be divided in two parts, 5451 and 1211, that multiplied together give a triangular number (6601161 = T₃₆₃₃).

The spelling of 54511211 in words is "fifty-four million, five hundred eleven thousand, two hundred eleven".