54124248741021 has 10 divisors (see below), whose sum is σ = 80852272810782. Its totient is φ = 36082832493960.

The previous prime is 54124248741007. The next prime is 54124248741107. The reversal of 54124248741021 is 12014784242145.

54124248741021 is a `hidden beast` number, since 5 + 4 + 124 + 2 + 487 + 41 + 0 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 44100623088900 + 10023625652121 = 6640830^2 + 3166011^2 .

It is not a de Polignac number, because 54124248741021 - 2⁷ = 54124248740893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54124248721021) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 334100300790 + ... + 334100300951.

Almost surely, 2^{54124248741021} is an apocalyptic number.

It is an amenable number.

54124248741021 is a deficient number, since it is larger than the sum of its proper divisors (26728024069761).

54124248741021 is an equidigital number, since it uses as much as digits as its factorization.

54124248741021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668200601753 (or 668200601744 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 45.

The spelling of 54124248741021 in words is "fifty-four trillion, one hundred twenty-four billion, two hundred forty-eight million, seven hundred forty-one thousand, twenty-one".