54980143081 has 32 divisors (see below), whose sum is σ = 58113378720. Its totient is φ = 51960268800.

The previous prime is 54980143073. The next prime is 54980143111. The reversal of 54980143081 is 18034108945.

It can be written as a sum of positive squares in 16 ways, for example, as 14007906025 + 40972237056 = 118355^2 + 202416^2 .

It is a cyclic number.

It is not a de Polignac number, because 54980143081 - 2³ = 54980143073 is a prime.

It is a super-2 number, since 2×54980143081² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54980143051) 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 31 ways as a sum of consecutive naturals, for example, 83176891 + ... + 83177551.

It is an arithmetic number, because the mean of its divisors is an integer number (1816043085).

Almost surely, 2^54980143081 is an apocalyptic number.

It is an amenable number.

54980143081 is a deficient number, since it is larger than the sum of its proper divisors (3133235639).

54980143081 is a wasteful number, since it uses less digits than its factorization.

54980143081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165.

The product of its (nonzero) digits is 138240, while the sum is 43.

The spelling of 54980143081 in words is "fifty-four billion, nine hundred eighty million, one hundred forty-three thousand, eighty-one".