56614661 has 8 divisors (see below), whose sum is σ = 62185920. Its totient is φ = 51302592.

The previous prime is 56614643. The next prime is 56614667. The reversal of 56614661 is 16641665.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56614661 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56614667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64340 + ... + 65213.

It is an arithmetic number, because the mean of its divisors is an integer number (7773240).

Almost surely, 2^56614661 is an apocalyptic number.

It is an amenable number.

56614661 is a deficient number, since it is larger than the sum of its proper divisors (5571259).

56614661 is a wasteful number, since it uses less digits than its factorization.

56614661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129595.

The product of its digits is 25920, while the sum is 35.

The square root of 56614661 is about 7524.2714597494. The cubic root of 56614661 is about 383.9809131319.

It can be divided in two parts, 56614 and 661, that added together give a palindrome (57275).

The spelling of 56614661 in words is "fifty-six million, six hundred fourteen thousand, six hundred sixty-one".