56677091 has 4 divisors (see below), whose sum is σ = 56722752. Its totient is φ = 56631432.

The previous prime is 56677079. The next prime is 56677123. The reversal of 56677091 is 19077665.

56677091 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 an emirpimes, since its reverse is a distinct semiprime: 19077665 = 5 ⋅3815533.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56677091 is a prime.

It is a super-3 number, since 3×56677091³ (a number of 24 digits) contains 333 as substring.

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 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, 20915 + ... + 23468.

It is an arithmetic number, because the mean of its divisors is an integer number (14180688).

Almost surely, 2^56677091 is an apocalyptic number.

56677091 is a deficient number, since it is larger than the sum of its proper divisors (45661).

56677091 is a wasteful number, since it uses less digits than its factorization.

56677091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45660.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 56677091 is about 7528.4188911085. The cubic root of 56677091 is about 384.1220021593.

The spelling of 56677091 in words is "fifty-six million, six hundred seventy-seven thousand, ninety-one".