53705444 has 24 divisors (see below), whose sum is σ = 101424120. Its totient is φ = 24735744.

The previous prime is 53705417. The next prime is 53705447. The reversal of 53705444 is 44450735.

It can be written as a sum of positive squares in 4 ways, for example, as 1721344 + 51984100 = 1312^2 + 7210^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 53705444.

It is not an unprimeable number, because it can be changed into a prime (53705447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37412 + ... + 38820.

It is an arithmetic number, because the mean of its divisors is an integer number (4226005).

Almost surely, 2^53705444 is an apocalyptic number.

It is an amenable number.

53705444 is a deficient number, since it is larger than the sum of its proper divisors (47718676).

53705444 is a wasteful number, since it uses less digits than its factorization.

53705444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159 (or 2157 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 53705444 is about 7328.3998253370. The cubic root of 53705444 is about 377.2878073018.

The spelling of 53705444 in words is "fifty-three million, seven hundred five thousand, four hundred forty-four".