53232251 has 4 divisors (see below), whose sum is σ = 53264904. Its totient is φ = 53199600.

The previous prime is 53232241. The next prime is 53232269. The reversal of 53232251 is 15223235.

53232251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53232251 - 2¹⁴ = 53215867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53232211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13745 + ... + 17186.

It is an arithmetic number, because the mean of its divisors is an integer number (13316226).

Almost surely, 2^53232251 is an apocalyptic number.

53232251 is a deficient number, since it is larger than the sum of its proper divisors (32653).

53232251 is a wasteful number, since it uses less digits than its factorization.

53232251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32652.

The product of its digits is 1800, while the sum is 23.

The square root of 53232251 is about 7296.0435168658. The cubic root of 53232251 is about 376.1764558632.

Adding to 53232251 its reverse (15223235), we get a palindrome (68455486).

The spelling of 53232251 in words is "fifty-three million, two hundred thirty-two thousand, two hundred fifty-one".