53258368 has 64 divisors (see below), whose sum is σ = 113832000. Its totient is φ = 24744960.

The previous prime is 53258357. The next prime is 53258371. The reversal of 53258368 is 86385235.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 53258368.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148173 + ... + 148531.

It is an arithmetic number, because the mean of its divisors is an integer number (1778625).

Almost surely, 2^53258368 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 53258368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56916000).

53258368 is an abundant number, since it is smaller than the sum of its proper divisors (60573632).

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

53258368 is a wasteful number, since it uses less digits than its factorization.

53258368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453 (or 441 counting only the distinct ones).

The product of its digits is 172800, while the sum is 40.

The square root of 53258368 is about 7297.8331030519. The cubic root of 53258368 is about 376.2379661571.

The spelling of 53258368 in words is "fifty-three million, two hundred fifty-eight thousand, three hundred sixty-eight".