53206912 has 128 divisors (see below), whose sum is σ = 126904320. Its totient is φ = 21964800.

The previous prime is 53206891. The next prime is 53206913. The reversal of 53206912 is 21960235.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53206913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1003878 + ... + 1003930.

It is an arithmetic number, because the mean of its divisors is an integer number (991440).

Almost surely, 2^53206912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53206912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63452160).

53206912 is an abundant number, since it is smaller than the sum of its proper divisors (73697408).

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

53206912 is a wasteful number, since it uses less digits than its factorization.

53206912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 53206912 is about 7294.3068210763. The cubic root of 53206912 is about 376.1167586692.

The spelling of 53206912 in words is "fifty-three million, two hundred six thousand, nine hundred twelve".