54221541322550 has 24 divisors (see below), whose sum is σ = 115259504983536. Its totient is φ = 18590242739040.

The previous prime is 54221541322547. The next prime is 54221541322583. The reversal of 54221541322550 is 5522314512245.

It is a junction number, because it is equal to n+sod(n) for n = 54221541322498 and 54221541322507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77459344397 + ... + 77459345096.

It is an arithmetic number, because the mean of its divisors is an integer number (4802479374314).

Almost surely, 2^{54221541322550} is an apocalyptic number.

54221541322550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

54221541322550 is an abundant number, since it is smaller than the sum of its proper divisors (61037963660986).

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

54221541322550 is a wasteful number, since it uses less digits than its factorization.

54221541322550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154918689512 (or 154918689507 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 41.

Adding to 54221541322550 its reverse (5522314512245), we get a palindrome (59743855834795).

The spelling of 54221541322550 in words is "fifty-four trillion, two hundred twenty-one billion, five hundred forty-one million, three hundred twenty-two thousand, five hundred fifty".