56577841 has 4 divisors (see below), whose sum is σ = 57374784. Its totient is φ = 55780900.

The previous prime is 56577823. The next prime is 56577931. The reversal of 56577841 is 14877565.

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: 14877565 = 5 ⋅2975513.

It is a cyclic number.

It is not a de Polignac number, because 56577841 - 2⁷ = 56577713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56577541) 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, 398365 + ... + 398506.

It is an arithmetic number, because the mean of its divisors is an integer number (14343696).

Almost surely, 2^56577841 is an apocalyptic number.

It is an amenable number.

56577841 is a deficient number, since it is larger than the sum of its proper divisors (796943).

56577841 is an equidigital number, since it uses as much as digits as its factorization.

56577841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796942.

The product of its digits is 235200, while the sum is 43.

The square root of 56577841 is about 7521.8243132900. The cubic root of 56577841 is about 383.8976529359.

The spelling of 56577841 in words is "fifty-six million, five hundred seventy-seven thousand, eight hundred forty-one".