53360040 has 64 divisors (see below), whose sum is σ = 163503360. Its totient is φ = 13925120.

The previous prime is 53360009. The next prime is 53360053. The reversal of 53360040 is 4006335.

53360040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 53359989 and 53360016.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 910 + ... + 10370.

It is an arithmetic number, because the mean of its divisors is an integer number (2554740).

Almost surely, 2^53360040 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 53360040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81751680).

53360040 is an abundant number, since it is smaller than the sum of its proper divisors (110143320).

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

53360040 is a wasteful number, since it uses less digits than its factorization.

53360040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9522 (or 9518 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 53360040 is about 7304.7956850277. The cubic root of 53360040 is about 376.4772309068.

Adding to 53360040 its reverse (4006335), we get a palindrome (57366375).

The spelling of 53360040 in words is "fifty-three million, three hundred sixty thousand, forty".