53606865 has 64 divisors (see below), whose sum is σ = 99380736. Its totient is φ = 24440832.

The previous prime is 53606857. The next prime is 53606881. The reversal of 53606865 is 56860635.

It is not a de Polignac number, because 53606865 - 2³ = 53606857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 341367 + ... + 341523.

It is an arithmetic number, because the mean of its divisors is an integer number (1552824).

Almost surely, 2^53606865 is an apocalyptic number.

It is an amenable number.

53606865 is a deficient number, since it is larger than the sum of its proper divisors (45773871).

53606865 is a wasteful number, since it uses less digits than its factorization.

53606865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298.

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 53606865 is about 7321.6709158497. The cubic root of 53606865 is about 377.0568224361.

The spelling of 53606865 in words is "fifty-three million, six hundred six thousand, eight hundred sixty-five".