54521206456353 has 128 divisors (see below), whose sum is σ = 90624646447104. Its totient is φ = 28389989376000.

The previous prime is 54521206456351. The next prime is 54521206456361. The reversal of 54521206456353 is 35365460212545.

It is not a de Polignac number, because 54521206456353 - 2¹ = 54521206456351 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 54521206456296 and 54521206456305.

It is not an unprimeable number, because it can be changed into a prime (54521206456351) 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 127 ways as a sum of consecutive naturals, for example, 15048633700 + ... + 15048637322.

It is an arithmetic number, because the mean of its divisors is an integer number (708005050368).

Almost surely, 2^{54521206456353} is an apocalyptic number.

It is an amenable number.

54521206456353 is a deficient number, since it is larger than the sum of its proper divisors (36103439990751).

54521206456353 is a wasteful number, since it uses less digits than its factorization.

54521206456353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5815.

The product of its (nonzero) digits is 12960000, while the sum is 51.

Adding to 54521206456353 its reverse (35365460212545), we get a palindrome (89886666668898).

The spelling of 54521206456353 in words is "fifty-four trillion, five hundred twenty-one billion, two hundred six million, four hundred fifty-six thousand, three hundred fifty-three".