53445786 has 8 divisors (see below), whose sum is σ = 106891584. Its totient is φ = 17815260.

The previous prime is 53445781. The next prime is 53445793. The reversal of 53445786 is 68754435.

53445786 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

53445786 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (53445781) 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 3 ways as a sum of consecutive naturals, for example, 4453810 + ... + 4453821.

It is an arithmetic number, because the mean of its divisors is an integer number (13361448).

Almost surely, 2^53445786 is an apocalyptic number.

53445786 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

53445786 is a wasteful number, since it uses less digits than its factorization.

53445786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8907636.

The product of its digits is 403200, while the sum is 42.

The square root of 53445786 is about 7310.6624870801. The cubic root of 53445786 is about 376.6787808601.

The spelling of 53445786 in words is "fifty-three million, four hundred forty-five thousand, seven hundred eighty-six".