54656042052009 has 128 divisors (see below), whose sum is σ = 83149809984000. Its totient is φ = 31724268945408.

The previous prime is 54656042051929. The next prime is 54656042052037. The reversal of 54656042052009 is 90025024065645.

It is not a de Polignac number, because 54656042052009 - 2¹² = 54656042047913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54656042052509) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 20570582809 + ... + 20570585465.

It is an arithmetic number, because the mean of its divisors is an integer number (649607890500).

Almost surely, 2^{54656042052009} is an apocalyptic number.

It is an amenable number.

54656042052009 is a deficient number, since it is larger than the sum of its proper divisors (28493767931991).

54656042052009 is a wasteful number, since it uses less digits than its factorization.

54656042052009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4507.

The product of its (nonzero) digits is 2592000, while the sum is 48.

The spelling of 54656042052009 in words is "fifty-four trillion, six hundred fifty-six billion, forty-two million, fifty-two thousand, nine".