56568377 has 4 divisors (see below), whose sum is σ = 59545680. Its totient is φ = 53591076.

The previous prime is 56568361. The next prime is 56568389. The reversal of 56568377 is 77386565.

It is a happy number.

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: 77386565 = 5 ⋅15477313.

It is a cyclic number.

It is not a de Polignac number, because 56568377 - 2⁴ = 56568361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56558377) 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, 1488623 + ... + 1488660.

It is an arithmetic number, because the mean of its divisors is an integer number (14886420).

Almost surely, 2^56568377 is an apocalyptic number.

It is an amenable number.

56568377 is a deficient number, since it is larger than the sum of its proper divisors (2977303).

56568377 is a wasteful number, since it uses less digits than its factorization.

56568377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2977302.

The product of its digits is 1058400, while the sum is 47.

The square root of 56568377 is about 7521.1951842776. The cubic root of 56568377 is about 383.8762463810.

The spelling of 56568377 in words is "fifty-six million, five hundred sixty-eight thousand, three hundred seventy-seven".