53011532 has 36 divisors (see below), whose sum is σ = 108390744. Its totient is φ = 22619520.

The previous prime is 53011531. The next prime is 53011549. The reversal of 53011532 is 23511035.

It is not an unprimeable number, because it can be changed into a prime (53011531) 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 11 ways as a sum of consecutive naturals, for example, 59732 + ... + 60612.

It is an arithmetic number, because the mean of its divisors is an integer number (3010854).

Almost surely, 2^53011532 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 53011532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54195372).

53011532 is an abundant number, since it is smaller than the sum of its proper divisors (55379212).

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

53011532 is a wasteful number, since it uses less digits than its factorization.

53011532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206 (or 1197 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 53011532 is about 7280.9018672140. The cubic root of 53011532 is about 375.6558171491.

Adding to 53011532 its reverse (23511035), we get a palindrome (76522567).

The spelling of 53011532 in words is "fifty-three million, eleven thousand, five hundred thirty-two".