53516617 has 8 divisors (see below), whose sum is σ = 66722112. Its totient is φ = 41701200.

The previous prime is 53516609. The next prime is 53516621. The reversal of 53516617 is 71661535.

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 53516617 - 2³ = 53516609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53516647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347434 + ... + 347587.

It is an arithmetic number, because the mean of its divisors is an integer number (8340264).

Almost surely, 2^53516617 is an apocalyptic number.

It is an amenable number.

53516617 is a deficient number, since it is larger than the sum of its proper divisors (13205495).

53516617 is a wasteful number, since it uses less digits than its factorization.

53516617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695039.

The product of its digits is 18900, while the sum is 34.

The square root of 53516617 is about 7315.5052457093. The cubic root of 53516617 is about 376.8451098883.

The spelling of 53516617 in words is "fifty-three million, five hundred sixteen thousand, six hundred seventeen".