53534040 has 128 divisors (see below), whose sum is σ = 185656320. Its totient is φ = 12096000.

The previous prime is 53533979. The next prime is 53534051. The reversal of 53534040 is 4043535.

It is a happy number.

53534040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 53534040.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 84525 + ... + 85155.

It is an arithmetic number, because the mean of its divisors is an integer number (1450440).

Almost surely, 2^53534040 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 53534040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92828160).

53534040 is an abundant number, since it is smaller than the sum of its proper divisors (132122280).

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

53534040 is a wasteful number, since it uses less digits than its factorization.

53534040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753 (or 749 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 53534040 is about 7316.6959756437. The cubic root of 53534040 is about 376.8860009880.

Adding to 53534040 its reverse (4043535), we get a palindrome (57577575).

The spelling of 53534040 in words is "fifty-three million, five hundred thirty-four thousand, forty".