53635540 has 48 divisors (see below), whose sum is σ = 134330112. Its totient is φ = 17588736.

The previous prime is 53635501. The next prime is 53635541. The reversal of 53635540 is 4553635.

53635540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53635541) 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 15 ways as a sum of consecutive naturals, for example, 5109 + ... + 11548.

It is an arithmetic number, because the mean of its divisors is an integer number (2798544).

Almost surely, 2^53635540 is an apocalyptic number.

It is an amenable number.

53635540 is an abundant number, since it is smaller than the sum of its proper divisors (80694572).

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

53635540 is a wasteful number, since it uses less digits than its factorization.

53635540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16696 (or 16694 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 53635540 is about 7323.6288819137. The cubic root of 53635540 is about 377.1240412964.

The spelling of 53635540 in words is "fifty-three million, six hundred thirty-five thousand, five hundred forty".