53645305 has 8 divisors (see below), whose sum is σ = 73570752. Its totient is φ = 36785328.

The previous prime is 53645299. The next prime is 53645327. The reversal of 53645305 is 50354635.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53645305 - 2³ = 53645297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766327 + ... + 766396.

It is an arithmetic number, because the mean of its divisors is an integer number (9196344).

Almost surely, 2^53645305 is an apocalyptic number.

It is an amenable number.

53645305 is a deficient number, since it is larger than the sum of its proper divisors (19925447).

53645305 is a wasteful number, since it uses less digits than its factorization.

53645305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532735.

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 53645305 is about 7324.2955292642. The cubic root of 53645305 is about 377.1469265748.

The spelling of 53645305 in words is "fifty-three million, six hundred forty-five thousand, three hundred five".