56977841 has 4 divisors (see below), whose sum is σ = 57045492. Its totient is φ = 56910192.

The previous prime is 56977793. The next prime is 56977853. The reversal of 56977841 is 14877965.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14877965 = 5 ⋅2975593.

It can be written as a sum of positive squares in 2 ways, for example, as 7134241 + 49843600 = 2671^2 + 7060^2 .

It is a cyclic number.

It is not a de Polignac number, because 56977841 - 2⁶ = 56977777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56977871) 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, 32546 + ... + 34251.

It is an arithmetic number, because the mean of its divisors is an integer number (14261373).

Almost surely, 2^56977841 is an apocalyptic number.

It is an amenable number.

56977841 is a deficient number, since it is larger than the sum of its proper divisors (67651).

56977841 is an equidigital number, since it uses as much as digits as its factorization.

56977841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67650.

The product of its digits is 423360, while the sum is 47.

The square root of 56977841 is about 7548.3667769922. The cubic root of 56977841 is about 384.8002359407.

The spelling of 56977841 in words is "fifty-six million, nine hundred seventy-seven thousand, eight hundred forty-one".