53434530 has 96 divisors (see below), whose sum is σ = 146577600. Its totient is φ = 13485696.

The previous prime is 53434523. The next prime is 53434561. The reversal of 53434530 is 3543435.

It is a happy number.

53434530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 53434494 and 53434503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 153817 + ... + 154163.

It is an arithmetic number, because the mean of its divisors is an integer number (1526850).

Almost surely, 2^53434530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53434530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73288800).

53434530 is an abundant number, since it is smaller than the sum of its proper divisors (93143070).

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

53434530 is a wasteful number, since it uses less digits than its factorization.

53434530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 53434530 is about 7309.8926120703. The cubic root of 53434530 is about 376.6523354073.

Adding to 53434530 its reverse (3543435), we get a palindrome (56977965).

The spelling of 53434530 in words is "fifty-three million, four hundred thirty-four thousand, five hundred thirty".