54720045929 has 4 divisors (see below), whose sum is σ = 54729021060. Its totient is φ = 54711070800.

The previous prime is 54720045907. The next prime is 54720045971. The reversal of 54720045929 is 92954002745.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14268780304 + 40451265625 = 119452^2 + 201125^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54720045929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54720045229) 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 in 3 ways as a sum of consecutive naturals, for example, 4478414 + ... + 4490615.

It is an arithmetic number, because the mean of its divisors is an integer number (13682255265).

Almost surely, 2^54720045929 is an apocalyptic number.

It is an amenable number.

54720045929 is a deficient number, since it is larger than the sum of its proper divisors (8975131).

54720045929 is an equidigital number, since it uses as much as digits as its factorization.

54720045929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8975130.

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 54720045929 in words is "fifty-four billion, seven hundred twenty million, forty-five thousand, nine hundred twenty-nine".