54100505245521 has 8 divisors (see below), whose sum is σ = 82438865136064. Its totient is φ = 30914574426000.

The previous prime is 54100505245471. The next prime is 54100505245541. The reversal of 54100505245521 is 12554250500145.

It is a happy number.

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

It is not a de Polignac number, because 54100505245521 - 2¹⁴ = 54100505229137 is a prime.

It is a super-2 number, since 2×54100505245521² (a number of 28 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 54100505245521.

It is not an unprimeable number, because it can be changed into a prime (54100505245541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1288107267730 + ... + 1288107267771.

It is an arithmetic number, because the mean of its divisors is an integer number (10304858142008).

Almost surely, 2^{54100505245521} is an apocalyptic number.

It is an amenable number.

54100505245521 is a deficient number, since it is larger than the sum of its proper divisors (28338359890543).

54100505245521 is a wasteful number, since it uses less digits than its factorization.

54100505245521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2576214535511.

The product of its (nonzero) digits is 200000, while the sum is 39.

Adding to 54100505245521 its reverse (12554250500145), we get a palindrome (66654755745666).

The spelling of 54100505245521 in words is "fifty-four trillion, one hundred billion, five hundred five million, two hundred forty-five thousand, five hundred twenty-one".