53650194400 has 144 divisors (see below), whose sum is σ = 143011346688. Its totient is φ = 19491264000.

The previous prime is 53650194373. The next prime is 53650194401. The reversal of 53650194400 is 449105635.

It is a self number, because there is not a number n which added to its sum of digits gives 53650194400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53650194401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13048345 + ... + 13052455.

It is an arithmetic number, because the mean of its divisors is an integer number (993134352).

Almost surely, 2^53650194400 is an apocalyptic number.

53650194400 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 53650194400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71505673344).

53650194400 is an abundant number, since it is smaller than the sum of its proper divisors (89361152288).

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

53650194400 is a wasteful number, since it uses less digits than its factorization.

53650194400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5625 (or 5612 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 53650194400 in words is "fifty-three billion, six hundred fifty million, one hundred ninety-four thousand, four hundred".