53533540 has 24 divisors (see below), whose sum is σ = 112613760. Its totient is φ = 21376608.

The previous prime is 53533523. The next prime is 53533541. The reversal of 53533540 is 4533535.

53533540 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 = 53533499 and 53533508.

It is not an unprimeable number, because it can be changed into a prime (53533541) 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, 11701 + ... + 15619.

It is an arithmetic number, because the mean of its divisors is an integer number (4692240).

Almost surely, 2^53533540 is an apocalyptic number.

It is an amenable number.

53533540 is an abundant number, since it is smaller than the sum of its proper divisors (59080220).

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

53533540 is a wasteful number, since it uses less digits than its factorization.

53533540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4611 (or 4609 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 28.

The square root of 53533540 is about 7316.6618071358. The cubic root of 53533540 is about 376.8848276312.

The spelling of 53533540 in words is "fifty-three million, five hundred thirty-three thousand, five hundred forty".