54474747545 has 8 divisors (see below), whose sum is σ = 65393493000. Its totient is φ = 43563934080.

The previous prime is 54474747529. The next prime is 54474747553. The reversal of 54474747545 is 54574747445.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6648119296 + 47826628249 = 81536^2 + 218693^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54474747545 - 2⁴ = 54474747529 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1967876 + ... + 1995365.

It is an arithmetic number, because the mean of its divisors is an integer number (8174186625).

Almost surely, 2^54474747545 is an apocalyptic number.

It is an amenable number.

54474747545 is a deficient number, since it is larger than the sum of its proper divisors (10918745455).

54474747545 is a wasteful number, since it uses less digits than its factorization.

54474747545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3965995.

The product of its digits is 43904000, while the sum is 56.

The spelling of 54474747545 in words is "fifty-four billion, four hundred seventy-four million, seven hundred forty-seven thousand, five hundred forty-five".