53716821448 has 16 divisors (see below), whose sum is σ = 105098129280. Its totient is φ = 25690653648.

The previous prime is 53716821427. The next prime is 53716821497. The reversal of 53716821448 is 84412861735.

It is a super-3 number, since 3×53716821448³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145969440 + ... + 145969807.

It is an arithmetic number, because the mean of its divisors is an integer number (6568633080).

Almost surely, 2^53716821448 is an apocalyptic number.

It is an amenable number.

53716821448 is a deficient number, since it is larger than the sum of its proper divisors (51381307832).

53716821448 is a wasteful number, since it uses less digits than its factorization.

53716821448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291939276 (or 291939272 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 49.

The spelling of 53716821448 in words is "fifty-three billion, seven hundred sixteen million, eight hundred twenty-one thousand, four hundred forty-eight".