53489164800 has 480 divisors, whose sum is σ = 187537996800. Its totient is φ = 13401538560.

The previous prime is 53489164793. The next prime is 53489164829. The reversal of 53489164800 is 846198435.

It is a tau number, because it is divible by the number of its divisors (480).

It is a super-2 number, since 2×53489164800² (a number of 22 digits) contains 22 as substring.

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 53489164800.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 121842981 + ... + 121843419.

It is an arithmetic number, because the mean of its divisors is an integer number (390704160).

Almost surely, 2^53489164800 is an apocalyptic number.

53489164800 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 53489164800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93768998400).

53489164800 is an abundant number, since it is smaller than the sum of its proper divisors (134048832000).

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

53489164800 is a wasteful number, since it uses less digits than its factorization.

53489164800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656 (or 635 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The spelling of 53489164800 in words is "fifty-three billion, four hundred eighty-nine million, one hundred sixty-four thousand, eight hundred".