53520540 has 48 divisors (see below), whose sum is σ = 156377088. Its totient is φ = 13651264.

The previous prime is 53520527. The next prime is 53520541. The reversal of 53520540 is 4502535.

It is a self number, because there is not a number n which added to its sum of digits gives 53520540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53520541) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 18012 + ... + 20771.

It is an arithmetic number, because the mean of its divisors is an integer number (3257856).

Almost surely, 2^53520540 is an apocalyptic number.

It is an amenable number.

53520540 is an abundant number, since it is smaller than the sum of its proper divisors (102856548).

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

53520540 is a wasteful number, since it uses less digits than its factorization.

53520540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38818 (or 38816 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 53520540 is about 7315.7733699179. The cubic root of 53520540 is about 376.8543177900.

The spelling of 53520540 in words is "fifty-three million, five hundred twenty thousand, five hundred forty".