53160640 has 84 divisors (see below), whose sum is σ = 137214864. Its totient is φ = 19608576.

The previous prime is 53160623. The next prime is 53160677. The reversal of 53160640 is 4606135.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53589 + ... + 54571.

Almost surely, 2^53160640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53160640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68607432).

53160640 is an abundant number, since it is smaller than the sum of its proper divisors (84054224).

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

53160640 is a wasteful number, since it uses less digits than its factorization.

53160640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026 (or 1003 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 53160640 is about 7291.1343424737. The cubic root of 53160640 is about 376.0076956324.

Adding to 53160640 its reverse (4606135), we get a palindrome (57766775).

The spelling of 53160640 in words is "fifty-three million, one hundred sixty thousand, six hundred forty".