54531631517 has 8 divisors (see below), whose sum is σ = 59627083392. Its totient is φ = 49459184800.

The previous prime is 54531631463. The next prime is 54531631541. The reversal of 54531631517 is 71513613545.

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 54531631517 - 2¹⁰ = 54531630493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54531634517) 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 7 ways as a sum of consecutive naturals, for example, 5746328 + ... + 5755809.

It is an arithmetic number, because the mean of its divisors is an integer number (7453385424).

Almost surely, 2^54531631517 is an apocalyptic number.

It is an amenable number.

54531631517 is a deficient number, since it is larger than the sum of its proper divisors (5095451875).

54531631517 is a wasteful number, since it uses less digits than its factorization.

54531631517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11502579.

The product of its digits is 189000, while the sum is 41.

The spelling of 54531631517 in words is "fifty-four billion, five hundred thirty-one million, six hundred thirty-one thousand, five hundred seventeen".