53347756800 has 648 divisors, whose sum is σ = 195780313008. Its totient is φ = 12779520000.

The previous prime is 53347756783. The next prime is 53347756823. The reversal of 53347756800 is 865774335.

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 53347756800.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 133036600 + ... + 133037000.

Almost surely, 2^53347756800 is an apocalyptic number.

53347756800 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 53347756800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97890156504).

53347756800 is an abundant number, since it is smaller than the sum of its proper divisors (142432556208).

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

53347756800 is a wasteful number, since it uses less digits than its factorization.

53347756800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 48.

The spelling of 53347756800 in words is "fifty-three billion, three hundred forty-seven million, seven hundred fifty-six thousand, eight hundred".