56109877 has 8 divisors (see below), whose sum is σ = 59745600. Its totient is φ = 52511424.

The previous prime is 56109863. The next prime is 56109899. The reversal of 56109877 is 77890165.

56109877 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56109877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56109817) 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 7 ways as a sum of consecutive naturals, for example, 6177 + ... + 12262.

It is an arithmetic number, because the mean of its divisors is an integer number (7468200).

Almost surely, 2^56109877 is an apocalyptic number.

It is an amenable number.

56109877 is a deficient number, since it is larger than the sum of its proper divisors (3635723).

56109877 is a wasteful number, since it uses less digits than its factorization.

56109877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18635.

The product of its (nonzero) digits is 105840, while the sum is 43.

The square root of 56109877 is about 7490.6526417930. The cubic root of 56109877 is about 382.8362958647.

The spelling of 56109877 in words is "fifty-six million, one hundred nine thousand, eight hundred seventy-seven".