53031732 has 48 divisors (see below), whose sum is σ = 133922880. Its totient is φ = 16236288.

The previous prime is 53031703. The next prime is 53031751. The reversal of 53031732 is 23713035.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35619 + ... + 37077.

It is an arithmetic number, because the mean of its divisors is an integer number (2790060).

Almost surely, 2^53031732 is an apocalyptic number.

53031732 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53031732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66961440).

53031732 is an abundant number, since it is smaller than the sum of its proper divisors (80891148).

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

53031732 is a wasteful number, since it uses less digits than its factorization.

53031732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712 (or 1710 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 24.

The square root of 53031732 is about 7282.2889258804. The cubic root of 53031732 is about 375.7035255350.

Adding to 53031732 its reverse (23713035), we get a palindrome (76744767).

The spelling of 53031732 in words is "fifty-three million, thirty-one thousand, seven hundred thirty-two".