53543712 has 24 divisors (see below), whose sum is σ = 140552496. Its totient is φ = 17847872.

The previous prime is 53543687. The next prime is 53543713. The reversal of 53543712 is 21734535.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 53543712.

It is not an unprimeable number, because it can be changed into a prime (53543713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278778 + ... + 278969.

It is an arithmetic number, because the mean of its divisors is an integer number (5856354).

Almost surely, 2^53543712 is an apocalyptic number.

It is an amenable number.

53543712 is an abundant number, since it is smaller than the sum of its proper divisors (87008784).

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

53543712 is a wasteful number, since it uses less digits than its factorization.

53543712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557760 (or 557752 counting only the distinct ones).

The product of its digits is 12600, while the sum is 30.

The square root of 53543712 is about 7317.3568998649. The cubic root of 53543712 is about 376.9086969642.

The spelling of 53543712 in words is "fifty-three million, five hundred forty-three thousand, seven hundred twelve".