53570432 has 32 divisors (see below), whose sum is σ = 109215480. Its totient is φ = 26159616.

The previous prime is 53570401. The next prime is 53570437. The reversal of 53570432 is 23407535.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 53570395 and 53570404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53570437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638 + ... + 10370.

Almost surely, 2^53570432 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 53570432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54607740).

53570432 is an abundant number, since it is smaller than the sum of its proper divisors (55645048).

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

53570432 is an equidigital number, since it uses as much as digits as its factorization.

53570432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9790 (or 9778 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 29.

The square root of 53570432 is about 7319.1824680083. The cubic root of 53570432 is about 376.9713829779.

Adding to 53570432 its reverse (23407535), we get a palindrome (76977967).

The spelling of 53570432 in words is "fifty-three million, five hundred seventy thousand, four hundred thirty-two".