53053434 has 128 divisors (see below), whose sum is σ = 145152000. Its totient is φ = 14027904.

The previous prime is 53053423. The next prime is 53053439. The reversal of 53053434 is 43435035.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 53053398 and 53053407.

It is not an unprimeable number, because it can be changed into a prime (53053439) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 596062 + ... + 596150.

It is an arithmetic number, because the mean of its divisors is an integer number (1134000).

Almost surely, 2^53053434 is an apocalyptic number.

53053434 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 53053434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72576000).

53053434 is an abundant number, since it is smaller than the sum of its proper divisors (92098566).

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

53053434 is a wasteful number, since it uses less digits than its factorization.

53053434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 203 counting only the distinct ones).

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

The square root of 53053434 is about 7283.7788269551. The cubic root of 53053434 is about 375.7547678488.

Adding to 53053434 its reverse (43435035), we get a palindrome (96488469).

The spelling of 53053434 in words is "fifty-three million, fifty-three thousand, four hundred thirty-four".