54338171552521 has 32 divisors (see below), whose sum is σ = 55453213791360. Its totient is φ = 53236642867200.

The previous prime is 54338171552477. The next prime is 54338171552543. The reversal of 54338171552521 is 12525517183345.

54338171552521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 54338171552521 - 2⁷ = 54338171552393 is a prime.

It is a super-2 number, since 2×54338171552521² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54338171532521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10639937050 + ... + 10639942156.

It is an arithmetic number, because the mean of its divisors is an integer number (1732912930980).

Almost surely, 2^{54338171552521} is an apocalyptic number.

It is an amenable number.

54338171552521 is a deficient number, since it is larger than the sum of its proper divisors (1115042238839).

54338171552521 is a wasteful number, since it uses less digits than its factorization.

54338171552521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7225.

The product of its digits is 5040000, while the sum is 52.

The spelling of 54338171552521 in words is "fifty-four trillion, three hundred thirty-eight billion, one hundred seventy-one million, five hundred fifty-two thousand, five hundred twenty-one".