53051232 has 48 divisors (see below), whose sum is σ = 149975280. Its totient is φ = 16323072.

The previous prime is 53051227. The next prime is 53051239. The reversal of 53051232 is 23215035.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 53051199 and 53051208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53051239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20007 + ... + 22502.

It is an arithmetic number, because the mean of its divisors is an integer number (3124485).

Almost surely, 2^53051232 is an apocalyptic number.

53051232 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

53051232 is an abundant number, since it is smaller than the sum of its proper divisors (96924048).

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

53051232 is a wasteful number, since it uses less digits than its factorization.

53051232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42535 (or 42527 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 53051232 is about 7283.6276675843. The cubic root of 53051232 is about 375.7495691690.

Adding to 53051232 its reverse (23215035), we get a palindrome (76266267).

The spelling of 53051232 in words is "fifty-three million, fifty-one thousand, two hundred thirty-two".