53235450 has 72 divisors (see below), whose sum is σ = 143875836. Its totient is φ = 14112000.

The previous prime is 53235437. The next prime is 53235451. The reversal of 53235450 is 5453235.

It can be written as a sum of positive squares in 6 ways, for example, as 7144929 + 46090521 = 2673^2 + 6789^2 .

It is not an unprimeable number, because it can be changed into a prime (53235451) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 126240 + ... + 126660.

Almost surely, 2^53235450 is an apocalyptic number.

53235450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 53235450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71937918).

53235450 is an abundant number, since it is smaller than the sum of its proper divisors (90640386).

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

53235450 is a wasteful number, since it uses less digits than its factorization.

53235450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720 (or 712 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 53235450 is about 7296.2627419796. The cubic root of 53235450 is about 376.1839911722.

Adding to 53235450 its reverse (5453235), we get a palindrome (58688685).

The spelling of 53235450 in words is "fifty-three million, two hundred thirty-five thousand, four hundred fifty".