53343781200 has 150 divisors (see below), whose sum is σ = 191446666334. Its totient is φ = 14224999680.

The previous prime is 53343781181. The next prime is 53343781201. The reversal of 53343781200 is 218734335.

53343781200 is a `hidden beast` number, since 53 + 34 + 378 + 1 + 200 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 18488384784 + 34855396416 = 135972^2 + 186696^2 .

It is a tau number, because it is divible by the number of its divisors (150).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53343781201) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 790807 + ... + 855606.

Almost surely, 2^53343781200 is an apocalyptic number.

53343781200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53343781200 is an abundant number, since it is smaller than the sum of its proper divisors (138102885134).

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

53343781200 is a wasteful number, since it uses less digits than its factorization.

53343781200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646443 (or 1646423 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 53343781200 in words is "fifty-three billion, three hundred forty-three million, seven hundred eighty-one thousand, two hundred".