53232645 has 16 divisors (see below), whose sum is σ = 85300992. Its totient is φ = 28347840.

The previous prime is 53232601. The next prime is 53232671. The reversal of 53232645 is 54623235.

It is not a de Polignac number, because 53232645 - 2¹⁰ = 53231621 is a prime.

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, 9300 + ... + 13890.

It is an arithmetic number, because the mean of its divisors is an integer number (5331312).

Almost surely, 2^53232645 is an apocalyptic number.

It is an amenable number.

53232645 is a deficient number, since it is larger than the sum of its proper divisors (32068347).

53232645 is a wasteful number, since it uses less digits than its factorization.

53232645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5372.

The product of its digits is 21600, while the sum is 30.

The square root of 53232645 is about 7296.0705177513. The cubic root of 53232645 is about 376.1773839544.

The spelling of 53232645 in words is "fifty-three million, two hundred thirty-two thousand, six hundred forty-five".