4550504550061 has 4 divisors (see below), whose sum is σ = 4550509230012. Its totient is φ = 4550499870112.

The previous prime is 4550504550001. The next prime is 4550504550071. The reversal of 4550504550061 is 1600554050554.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 296392047561 + 4254112502500 = 544419^2 + 2062550^2 .

It is a cyclic number.

It is not a de Polignac number, because 4550504550061 - 2¹¹ = 4550504548013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4550504549996 and 4550504550023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4550504550001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272650 + ... + 3029083.

It is an arithmetic number, because the mean of its divisors is an integer number (1137627307503).

Almost surely, 2^{4550504550061} is an apocalyptic number.

It is an amenable number.

4550504550061 is a deficient number, since it is larger than the sum of its proper divisors (4679951).

4550504550061 is a wasteful number, since it uses less digits than its factorization.

4550504550061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4679950.

The product of its (nonzero) digits is 300000, while the sum is 40.

The spelling of 4550504550061 in words is "four trillion, five hundred fifty billion, five hundred four million, five hundred fifty thousand, sixty-one".