53657641200 has 120 divisors (see below), whose sum is σ = 171943657600. Its totient is φ = 14303681280.

The previous prime is 53657641189. The next prime is 53657641207. The reversal of 53657641200 is 214675635.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53657641207) 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 23 ways as a sum of consecutive naturals, for example, 4480821 + ... + 4492779.

Almost surely, 2^53657641200 is an apocalyptic number.

53657641200 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 53657641200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85971828800).

53657641200 is an abundant number, since it is smaller than the sum of its proper divisors (118286016400).

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

53657641200 is a wasteful number, since it uses less digits than its factorization.

53657641200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15719 (or 15708 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 53657641200 in words is "fifty-three billion, six hundred fifty-seven million, six hundred forty-one thousand, two hundred".