53998332480 has 336 divisors, whose sum is σ = 194623578240. Its totient is φ = 14249115648.

The previous prime is 53998332431. The next prime is 53998332523. The reversal of 53998332480 is 8423389935.

It is a happy number.

53998332480 is a `hidden beast` number, since 5 + 399 + 8 + 3 + 3 + 248 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7539141 + ... + 7546299.

It is an arithmetic number, because the mean of its divisors is an integer number (579236840).

Almost surely, 2^53998332480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53998332480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97311789120).

53998332480 is an abundant number, since it is smaller than the sum of its proper divisors (140625245760).

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

53998332480 is an equidigital number, since it uses as much as digits as its factorization.

53998332480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7288 (or 7266 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 53998332480 in words is "fifty-three billion, nine hundred ninety-eight million, three hundred thirty-two thousand, four hundred eighty".