53640330321700 has 144 divisors (see below), whose sum is σ = 119573719639360. Its totient is φ = 20879615877120.

The previous prime is 53640330321649. The next prime is 53640330321703. The reversal of 53640330321700 is 712303304635.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 53640330321700.

It is not an unprimeable number, because it can be changed into a prime (53640330321703) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 355419856 + ... + 355570744.

Almost surely, 2^{53640330321700} is an apocalyptic number.

53640330321700 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 53640330321700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59786859819680).

53640330321700 is an abundant number, since it is smaller than the sum of its proper divisors (65933389317660).

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

53640330321700 is a wasteful number, since it uses less digits than its factorization.

53640330321700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151614 (or 151607 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 37.

The spelling of 53640330321700 in words is "fifty-three trillion, six hundred forty billion, three hundred thirty million, three hundred twenty-one thousand, seven hundred".