53638600 has 48 divisors (see below), whose sum is σ = 125298900. Its totient is φ = 21354240.

The previous prime is 53638591. The next prime is 53638601. The reversal of 53638600 is 683635.

53638600 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 16208676 + 37429924 = 4026^2 + 6118^2 .

It is not an unprimeable number, because it can be changed into a prime (53638601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53302 + ... + 54298.

Almost surely, 2^53638600 is an apocalyptic number.

53638600 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 53638600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62649450).

53638600 is an abundant number, since it is smaller than the sum of its proper divisors (71660300).

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

53638600 is a wasteful number, since it uses less digits than its factorization.

53638600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282 (or 1273 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 53638600 is about 7323.8377917592. The cubic root of 53638600 is about 377.1312130189.

The spelling of 53638600 in words is "fifty-three million, six hundred thirty-eight thousand, six hundred".