53609744 has 40 divisors (see below), whose sum is σ = 107617368. Its totient is φ = 25850880.

The previous prime is 53609741. The next prime is 53609747. The reversal of 53609744 is 44790635.

It is an interprime number because it is at equal distance from previous prime (53609741) and next prime (53609747).

It can be written as a sum of positive squares in 4 ways, for example, as 28729600 + 24880144 = 5360^2 + 4988^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53609698 and 53609707.

It is not an unprimeable number, because it can be changed into a prime (53609741) 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, 80774 + ... + 81434.

Almost surely, 2^53609744 is an apocalyptic number.

It is an amenable number.

53609744 is an abundant number, since it is smaller than the sum of its proper divisors (54007624).

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

53609744 is a wasteful number, since it uses less digits than its factorization.

53609744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843 (or 837 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 53609744 is about 7321.8675213363. The cubic root of 53609744 is about 377.0635723624.

The spelling of 53609744 in words is "fifty-three million, six hundred nine thousand, seven hundred forty-four".