53718540 has 24 divisors (see below), whose sum is σ = 150412080. Its totient is φ = 14324928.

The previous prime is 53718479. The next prime is 53718541. The reversal of 53718540 is 4581735.

53718540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (53718541) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 447595 + ... + 447714.

It is an arithmetic number, because the mean of its divisors is an integer number (6267170).

Almost surely, 2^53718540 is an apocalyptic number.

It is an amenable number.

53718540 is an abundant number, since it is smaller than the sum of its proper divisors (96693540).

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

53718540 is a wasteful number, since it uses less digits than its factorization.

53718540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895321 (or 895319 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 53718540 is about 7329.2932810742. The cubic root of 53718540 is about 377.3184718502.

The spelling of 53718540 in words is "fifty-three million, seven hundred eighteen thousand, five hundred forty".