53550617 has 8 divisors (see below), whose sum is σ = 56444040. Its totient is φ = 50727040.

The previous prime is 53550613. The next prime is 53550631. The reversal of 53550617 is 71605535.

It can be written as a sum of positive squares in 4 ways, for example, as 5331481 + 48219136 = 2309^2 + 6944^2 .

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 53550617 - 2² = 53550613 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53550613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15884 + ... + 18957.

It is an arithmetic number, because the mean of its divisors is an integer number (7055505).

Almost surely, 2^53550617 is an apocalyptic number.

It is an amenable number.

53550617 is a deficient number, since it is larger than the sum of its proper divisors (2893423).

53550617 is a wasteful number, since it uses less digits than its factorization.

53550617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34923.

The product of its (nonzero) digits is 15750, while the sum is 32.

The square root of 53550617 is about 7317.8287080254. The cubic root of 53550617 is about 376.9248983231.

The spelling of 53550617 in words is "fifty-three million, five hundred fifty thousand, six hundred seventeen".