53645075 has 24 divisors (see below), whose sum is σ = 76393920. Its totient is φ = 36957600.

The previous prime is 53645071. The next prime is 53645087. The reversal of 53645075 is 57054635.

53645075 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 53645075 - 2² = 53645071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53645071) 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 23 ways as a sum of consecutive naturals, for example, 92 + ... + 10358.

It is an arithmetic number, because the mean of its divisors is an integer number (3183080).

Almost surely, 2^53645075 is an apocalyptic number.

53645075 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

53645075 is a deficient number, since it is larger than the sum of its proper divisors (22748845).

53645075 is a wasteful number, since it uses less digits than its factorization.

53645075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10307 (or 10302 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 35.

The square root of 53645075 is about 7324.2798280787. The cubic root of 53645075 is about 377.1463875782.

The spelling of 53645075 in words is "fifty-three million, six hundred forty-five thousand, seventy-five".