56789161 has 8 divisors (see below), whose sum is σ = 66717504. Its totient is φ = 47655120.

The previous prime is 56789149. The next prime is 56789177. The reversal of 56789161 is 16198765.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56789161 - 2¹¹ = 56787113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56789101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198421 + ... + 198706.

It is an arithmetic number, because the mean of its divisors is an integer number (8339688).

Almost surely, 2^56789161 is an apocalyptic number.

It is an amenable number.

56789161 is a deficient number, since it is larger than the sum of its proper divisors (9928343).

56789161 is a wasteful number, since it uses less digits than its factorization.

56789161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397151.

The product of its digits is 90720, while the sum is 43.

The square root of 56789161 is about 7535.8583452716. The cubic root of 56789161 is about 384.3750156741.

The spelling of 56789161 in words is "fifty-six million, seven hundred eighty-nine thousand, one hundred sixty-one".