56541577 has 4 divisors (see below), whose sum is σ = 56568016. Its totient is φ = 56515140.

The previous prime is 56541559. The next prime is 56541593. The reversal of 56541577 is 77514565.

It is a happy number.

56541577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 77514565 = 5 ⋅15502913.

It is a cyclic number.

It is not a de Polignac number, because 56541577 - 2¹¹ = 56539529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56541547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9699 + ... + 14392.

It is an arithmetic number, because the mean of its divisors is an integer number (14142004).

Almost surely, 2^56541577 is an apocalyptic number.

It is an amenable number.

56541577 is a deficient number, since it is larger than the sum of its proper divisors (26439).

56541577 is a wasteful number, since it uses less digits than its factorization.

56541577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26438.

The product of its digits is 147000, while the sum is 40.

The square root of 56541577 is about 7519.4133414782. The cubic root of 56541577 is about 383.8156146933.

The spelling of 56541577 in words is "fifty-six million, five hundred forty-one thousand, five hundred seventy-seven".