54720045907 has 2 divisors, whose sum is σ = 54720045908. Its totient is φ = 54720045906.

The previous prime is 54720045899. The next prime is 54720045971. The reversal of 54720045907 is 70954002745.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54720045907 - 2³ = 54720045899 is a prime.

It is not a weakly prime, because it can be changed into another prime (54720043907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27360022953 + 27360022954.

It is an arithmetic number, because the mean of its divisors is an integer number (27360022954).

Almost surely, 2^54720045907 is an apocalyptic number.

54720045907 is a deficient number, since it is larger than the sum of its proper divisors (1).

54720045907 is an equidigital number, since it uses as much as digits as its factorization.

54720045907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 54720045907 in words is "fifty-four billion, seven hundred twenty million, forty-five thousand, nine hundred seven".