54131213443 has 16 divisors (see below), whose sum is σ = 56472511680. Its totient is φ = 51822965376.

The previous prime is 54131213441. The next prime is 54131213449. The reversal of 54131213443 is 34431213145.

It is a cyclic number.

It is not a de Polignac number, because 54131213443 - 2¹ = 54131213441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54131213441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2205105 + ... + 2229517.

It is an arithmetic number, because the mean of its divisors is an integer number (3529531980).

Almost surely, 2^54131213443 is an apocalyptic number.

54131213443 is a deficient number, since it is larger than the sum of its proper divisors (2341298237).

54131213443 is a wasteful number, since it uses less digits than its factorization.

54131213443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25086.

The product of its digits is 17280, while the sum is 31.

Adding to 54131213443 its reverse (34431213145), we get a palindrome (88562426588).

The spelling of 54131213443 in words is "fifty-four billion, one hundred thirty-one million, two hundred thirteen thousand, four hundred forty-three".