54221330516 has 24 divisors (see below), whose sum is σ = 99035662824. Its totient is φ = 25950379520.

The previous prime is 54221330507. The next prime is 54221330521. The reversal of 54221330516 is 61503312245.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 27352900 + 54193977616 = 5230^2 + 232796^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3110345 + ... + 3127728.

It is an arithmetic number, because the mean of its divisors is an integer number (4126485951).

Almost surely, 2^54221330516 is an apocalyptic number.

It is an amenable number.

54221330516 is a deficient number, since it is larger than the sum of its proper divisors (44814332308).

54221330516 is a wasteful number, since it uses less digits than its factorization.

54221330516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6238171 (or 6238169 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 54221330516 in words is "fifty-four billion, two hundred twenty-one million, three hundred thirty thousand, five hundred sixteen".