53231732 has 6 divisors (see below), whose sum is σ = 93155538. Its totient is φ = 26615864.

The previous prime is 53231723. The next prime is 53231767. The reversal of 53231732 is 23713235.

It can be written as a sum of positive squares in only one way, i.e., 35473936 + 17757796 = 5956^2 + 4214^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6653963 + ... + 6653970.

It is an arithmetic number, because the mean of its divisors is an integer number (15525923).

Almost surely, 2^53231732 is an apocalyptic number.

It is an amenable number.

53231732 is a deficient number, since it is larger than the sum of its proper divisors (39923806).

53231732 is a wasteful number, since it uses less digits than its factorization.

53231732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13307937 (or 13307935 counting only the distinct ones).

The product of its digits is 3780, while the sum is 26.

The square root of 53231732 is about 7296.0079495571. The cubic root of 53231732 is about 376.1752333198.

Adding to 53231732 its reverse (23713235), we get a palindrome (76944967).

The spelling of 53231732 in words is "fifty-three million, two hundred thirty-one thousand, seven hundred thirty-two".