53432645 has 32 divisors (see below), whose sum is σ = 77137920. Its totient is φ = 34755840.

The previous prime is 53432609. The next prime is 53432647. The reversal of 53432645 is 54623435.

53432645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53432645 - 2¹² = 53428549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53432647) 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 31 ways as a sum of consecutive naturals, for example, 61484 + ... + 62346.

It is an arithmetic number, because the mean of its divisors is an integer number (2410560).

Almost surely, 2^53432645 is an apocalyptic number.

It is an amenable number.

53432645 is a deficient number, since it is larger than the sum of its proper divisors (23705275).

53432645 is a wasteful number, since it uses less digits than its factorization.

53432645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965.

The product of its digits is 43200, while the sum is 32.

The square root of 53432645 is about 7309.7636760705. The cubic root of 53432645 is about 376.6479063237.

The spelling of 53432645 in words is "fifty-three million, four hundred thirty-two thousand, six hundred forty-five".