54439293445 has 16 divisors (see below), whose sum is σ = 67039503552. Its totient is φ = 42413645440.

The previous prime is 54439293439. The next prime is 54439293473.

54439293445 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-54439293445 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54439293392 and 54439293401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120427 + ... + 351256.

It is an arithmetic number, because the mean of its divisors is an integer number (4189968972).

Almost surely, 2^54439293445 is an apocalyptic number.

It is an amenable number.

54439293445 is a deficient number, since it is larger than the sum of its proper divisors (12600210107).

54439293445 is a wasteful number, since it uses less digits than its factorization.

54439293445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472292.

The product of its digits is 9331200, while the sum is 52.

The spelling of 54439293445 in words is "fifty-four billion, four hundred thirty-nine million, two hundred ninety-three thousand, four hundred forty-five".