54521024225646 has 64 divisors (see below), whose sum is σ = 120278715250176. Its totient is φ = 16338065424000.

The previous prime is 54521024225627. The next prime is 54521024225671. The reversal of 54521024225646 is 64652242012545.

It is a super-2 number, since 2×54521024225646² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54521024225595 and 54521024225604.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 517120 + ... + 10455116.

It is an arithmetic number, because the mean of its divisors is an integer number (1879354925784).

Almost surely, 2^{54521024225646} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54521024225646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60139357625088).

54521024225646 is an abundant number, since it is smaller than the sum of its proper divisors (65757691024530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54521024225646 is a wasteful number, since it uses less digits than its factorization.

54521024225646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9938937.

The product of its (nonzero) digits is 4608000, while the sum is 48.

The spelling of 54521024225646 in words is "fifty-four trillion, five hundred twenty-one billion, twenty-four million, two hundred twenty-five thousand, six hundred forty-six".