56675617 has 4 divisors (see below), whose sum is σ = 56692116. Its totient is φ = 56659120.

The previous prime is 56675609. The next prime is 56675659. The reversal of 56675617 is 71657665.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9217296 + 47458321 = 3036^2 + 6889^2 .

It is a cyclic number.

It is not a de Polignac number, because 56675617 - 2³ = 56675609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56675417) 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 3 ways as a sum of consecutive naturals, for example, 934 + ... + 10687.

It is an arithmetic number, because the mean of its divisors is an integer number (14173029).

Almost surely, 2^56675617 is an apocalyptic number.

It is an amenable number.

56675617 is a deficient number, since it is larger than the sum of its proper divisors (16499).

56675617 is a wasteful number, since it uses less digits than its factorization.

56675617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16498.

The product of its digits is 264600, while the sum is 43.

The square root of 56675617 is about 7528.3209947504. The cubic root of 56675617 is about 384.1186721793.

The spelling of 56675617 in words is "fifty-six million, six hundred seventy-five thousand, six hundred seventeen".