54044011531 has 6 divisors (see below), whose sum is σ = 54815920796. Its totient is φ = 53282823300.

The previous prime is 54044011507. The next prime is 54044011547. The reversal of 54044011531 is 13511044045.

It is not a de Polignac number, because 54044011531 - 2⁹ = 54044011019 is a prime.

It is a super-2 number, since 2×54044011531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54044011531.

It is not an unprimeable number, because it can be changed into a prime (54044011591) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5355405 + ... + 5365486.

Almost surely, 2^54044011531 is an apocalyptic number.

54044011531 is a deficient number, since it is larger than the sum of its proper divisors (771909265).

54044011531 is an equidigital number, since it uses as much as digits as its factorization.

54044011531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10721033 (or 10720962 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 54044011531 its reverse (13511044045), we get a palindrome (67555055576).

The spelling of 54044011531 in words is "fifty-four billion, forty-four million, eleven thousand, five hundred thirty-one".