53235534 has 48 divisors (see below), whose sum is σ = 123428736. Its totient is φ = 15177600.

The previous prime is 53235527. The next prime is 53235541. The reversal of 53235534 is 43553235.

It is an interprime number because it is at equal distance from previous prime (53235527) and next prime (53235541).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17679 + ... + 20469.

It is an arithmetic number, because the mean of its divisors is an integer number (2571432).

Almost surely, 2^53235534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53235534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61714368).

53235534 is an abundant number, since it is smaller than the sum of its proper divisors (70193202).

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

53235534 is a wasteful number, since it uses less digits than its factorization.

53235534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2841 (or 2824 counting only the distinct ones).

The product of its digits is 27000, while the sum is 30.

The square root of 53235534 is about 7296.2684983490. The cubic root of 53235534 is about 376.1841890318.

Adding to 53235534 its reverse (43553235), we get a palindrome (96788769).

The spelling of 53235534 in words is "fifty-three million, two hundred thirty-five thousand, five hundred thirty-four".