54211811245 has 4 divisors (see below), whose sum is σ = 65054173500. Its totient is φ = 43369448992.

The previous prime is 54211811243. The next prime is 54211811273.

54211811245 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in 2 ways, for example, as 40422710916 + 13789100329 = 201054^2 + 117427^2 .

It is a cyclic number.

It is not a de Polignac number, because 54211811245 - 2¹ = 54211811243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54211811245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54211811243) 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, 5421181120 + ... + 5421181129.

It is an arithmetic number, because the mean of its divisors is an integer number (16263543375).

Almost surely, 2^54211811245 is an apocalyptic number.

It is an amenable number.

54211811245 is a deficient number, since it is larger than the sum of its proper divisors (10842362255).

54211811245 is a wasteful number, since it uses less digits than its factorization.

54211811245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10842362254.

The product of its digits is 12800, while the sum is 34.

The spelling of 54211811245 in words is "fifty-four billion, two hundred eleven million, eight hundred eleven thousand, two hundred forty-five".