54520220133 has 12 divisors (see below), whose sum is σ = 78753557740. Its totient is φ = 36345830976.

The previous prime is 54520220123. The next prime is 54520220177. The reversal of 54520220133 is 33102202545.

It is a happy number.

54520220133 is a `hidden beast` number, since 5 + 4 + 520 + 2 + 2 + 0 + 133 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13821999489 + 40698220644 = 117567^2 + 201738^2 .

It is not a de Polignac number, because 54520220133 - 2¹⁰ = 54520219109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54520220097 and 54520220106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54520220123) 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 11 ways as a sum of consecutive naturals, for example, 454623 + ... + 561891.

Almost surely, 2^54520220133 is an apocalyptic number.

It is an amenable number.

54520220133 is a deficient number, since it is larger than the sum of its proper divisors (24233337607).

54520220133 is a wasteful number, since it uses less digits than its factorization.

54520220133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163748 (or 163745 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 54520220133 its reverse (33102202545), we get a palindrome (87622422678).

The spelling of 54520220133 in words is "fifty-four billion, five hundred twenty million, two hundred twenty thousand, one hundred thirty-three".