54973637945 has 16 divisors (see below), whose sum is σ = 66639859920. Its totient is φ = 43531488000.

The previous prime is 54973637893. The next prime is 54973637947.

54973637945 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 8 ways, for example, as 22405299856 + 32568338089 = 149684^2 + 180467^2 .

It is not a de Polignac number, because 54973637945 - 2⁶ = 54973637881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54973637947) 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 15 ways as a sum of consecutive naturals, for example, 2122775 + ... + 2148515.

It is an arithmetic number, because the mean of its divisors is an integer number (4164991245).

Almost surely, 2^54973637945 is an apocalyptic number.

It is an amenable number.

54973637945 is a deficient number, since it is larger than the sum of its proper divisors (11666221975).

54973637945 is a wasteful number, since it uses less digits than its factorization.

54973637945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30076.

The product of its digits is 85730400, while the sum is 62.

The spelling of 54973637945 in words is "fifty-four billion, nine hundred seventy-three million, six hundred thirty-seven thousand, nine hundred forty-five".