54664622646645 has 128 divisors (see below), whose sum is σ = 103325004656640. Its totient is φ = 24396166379520.

The previous prime is 54664622646619. The next prime is 54664622646661.

It is a happy number.

54664622646645 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54664622646645 - 2⁶ = 54664622646581 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 15516889 + ... + 18711041.

It is an arithmetic number, because the mean of its divisors is an integer number (807226598880).

Almost surely, 2^{54664622646645} is an apocalyptic number.

54664622646645 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54664622646645 is a deficient number, since it is larger than the sum of its proper divisors (48660382009995).

54664622646645 is a wasteful number, since it uses less digits than its factorization.

54664622646645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3194347.

The product of its digits is 1194393600, while the sum is 66.

The spelling of 54664622646645 in words is "fifty-four trillion, six hundred sixty-four billion, six hundred twenty-two million, six hundred forty-six thousand, six hundred forty-five".