53520421497600 has 432 divisors, whose sum is σ = 182364893010944. Its totient is φ = 13808793600000.

The previous prime is 53520421497589. The next prime is 53520421497601. The reversal of 53520421497600 is 679412402535.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 53520421497600.

It is not an unprimeable number, because it can be changed into a prime (53520421497601) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 5096692350 + ... + 5096702850.

Almost surely, 2^{53520421497600} is an apocalyptic number.

53520421497600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53520421497600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91182446505472).

53520421497600 is an abundant number, since it is smaller than the sum of its proper divisors (128844471513344).

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

53520421497600 is a wasteful number, since it uses less digits than its factorization.

53520421497600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19124 (or 19105 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 53520421497600 in words is "fifty-three trillion, five hundred twenty billion, four hundred twenty-one million, four hundred ninety-seven thousand, six hundred".