53211785036800 has 1056 divisors, whose sum is σ = 150496042636800. Its totient is φ = 18517524480000.

The previous prime is 53211785036779. The next prime is 53211785036831. The reversal of 53211785036800 is 863058711235.

It is a super-2 number, since 2×53211785036800² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 77006924455 + ... + 77006925145.

Almost surely, 2^{53211785036800} is an apocalyptic number.

53211785036800 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 53211785036800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75248021318400).

53211785036800 is an abundant number, since it is smaller than the sum of its proper divisors (97284257600000).

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

53211785036800 is a wasteful number, since it uses less digits than its factorization.

53211785036800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943 (or 920 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 49.

The spelling of 53211785036800 in words is "fifty-three trillion, two hundred eleven billion, seven hundred eighty-five million, thirty-six thousand, eight hundred".