56606677 has 4 divisors (see below), whose sum is σ = 56694816. Its totient is φ = 56518540.

The previous prime is 56606663. The next prime is 56606689. The reversal of 56606677 is 77660665.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77660665 = 5 ⋅15532133.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56606677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56606647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43099 + ... + 44392.

It is an arithmetic number, because the mean of its divisors is an integer number (14173704).

Almost surely, 2^56606677 is an apocalyptic number.

It is an amenable number.

56606677 is a deficient number, since it is larger than the sum of its proper divisors (88139).

56606677 is an equidigital number, since it uses as much as digits as its factorization.

56606677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88138.

The product of its (nonzero) digits is 317520, while the sum is 43.

The square root of 56606677 is about 7523.7408913386. The cubic root of 56606677 is about 383.9628621672.

The spelling of 56606677 in words is "fifty-six million, six hundred six thousand, six hundred seventy-seven".