54917303440 has 20 divisors (see below), whose sum is σ = 127682730684. Its totient is φ = 21966921344.

The previous prime is 54917303431. The next prime is 54917303447. The reversal of 54917303440 is 4430371945.

It can be written as a sum of positive squares in 2 ways, for example, as 22866278656 + 32051024784 = 151216^2 + 179028^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 54917303393 and 54917303402.

It is not an unprimeable number, because it can be changed into a prime (54917303447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343233067 + ... + 343233226.

Almost surely, 2^54917303440 is an apocalyptic number.

It is an amenable number.

54917303440 is an abundant number, since it is smaller than the sum of its proper divisors (72765427244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54917303440 is a wasteful number, since it uses less digits than its factorization.

54917303440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686466306 (or 686466300 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 54917303440 in words is "fifty-four billion, nine hundred seventeen million, three hundred three thousand, four hundred forty".