56677291 has 4 divisors (see below), whose sum is σ = 61829784. Its totient is φ = 51524800.

The previous prime is 56677279. The next prime is 56677301. The reversal of 56677291 is 19277665.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56677291 - 2⁹ = 56676779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56677591) 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, 2576230 + ... + 2576251.

It is an arithmetic number, because the mean of its divisors is an integer number (15457446).

Almost surely, 2^56677291 is an apocalyptic number.

56677291 is a deficient number, since it is larger than the sum of its proper divisors (5152493).

56677291 is a wasteful number, since it uses less digits than its factorization.

56677291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5152492.

The product of its digits is 158760, while the sum is 43.

The square root of 56677291 is about 7528.4321740984. The cubic root of 56677291 is about 384.1224539839.

The spelling of 56677291 in words is "fifty-six million, six hundred seventy-seven thousand, two hundred ninety-one".