53675645 has 16 divisors (see below), whose sum is σ = 66728448. Its totient is φ = 41422080.

The previous prime is 53675639. The next prime is 53675689. The reversal of 53675645 is 54657635.

It is not a de Polignac number, because 53675645 - 2⁸ = 53675389 is a prime.

It is a Duffinian number.

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, 15077 + ... + 18293.

It is an arithmetic number, because the mean of its divisors is an integer number (4170528).

Almost surely, 2^53675645 is an apocalyptic number.

It is an amenable number.

53675645 is a deficient number, since it is larger than the sum of its proper divisors (13052803).

53675645 is a wasteful number, since it uses less digits than its factorization.

53675645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3340.

The product of its digits is 378000, while the sum is 41.

The square root of 53675645 is about 7326.3664254527. The cubic root of 53675645 is about 377.2180137603.

The spelling of 53675645 in words is "fifty-three million, six hundred seventy-five thousand, six hundred forty-five".