54915437161 has 8 divisors (see below), whose sum is σ = 62618507784. Its totient is φ = 47709338880.

The previous prime is 54915437117. The next prime is 54915437177. The reversal of 54915437161 is 16173451945.

It can be written as a sum of positive squares in 4 ways, for example, as 646939225 + 54268497936 = 25435^2 + 232956^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54915437161 - 2⁷ = 54915437033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54915435161) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 124242850 + ... + 124243291.

It is an arithmetic number, because the mean of its divisors is an integer number (7827313473).

Almost surely, 2^54915437161 is an apocalyptic number.

It is an amenable number.

54915437161 is a deficient number, since it is larger than the sum of its proper divisors (7703070623).

54915437161 is a wasteful number, since it uses less digits than its factorization.

54915437161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248486171.

The product of its digits is 453600, while the sum is 46.

The spelling of 54915437161 in words is "fifty-four billion, nine hundred fifteen million, four hundred thirty-seven thousand, one hundred sixty-one".