54545909507 has 2 divisors, whose sum is σ = 54545909508. Its totient is φ = 54545909506.

The previous prime is 54545909497. The next prime is 54545909569. The reversal of 54545909507 is 70590954545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54545909507 - 2⁴ = 54545909491 is a prime.

It is not a weakly prime, because it can be changed into another prime (54545909807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27272954753 + 27272954754.

It is an arithmetic number, because the mean of its divisors is an integer number (27272954754).

Almost surely, 2^54545909507 is an apocalyptic number.

54545909507 is a deficient number, since it is larger than the sum of its proper divisors (1).

54545909507 is an equidigital number, since it uses as much as digits as its factorization.

54545909507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670000, while the sum is 53.

The spelling of 54545909507 in words is "fifty-four billion, five hundred forty-five million, nine hundred nine thousand, five hundred seven".