56705118 has 8 divisors (see below), whose sum is σ = 113410248. Its totient is φ = 18901704.

The previous prime is 56705113. The next prime is 56705123. The reversal of 56705118 is 81150765.

It is an interprime number because it is at equal distance from previous prime (56705113) and next prime (56705123).

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

56705118 is an admirable number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56705113) 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 3 ways as a sum of consecutive naturals, for example, 4725421 + ... + 4725432.

It is an arithmetic number, because the mean of its divisors is an integer number (14176281).

Almost surely, 2^56705118 is an apocalyptic number.

56705118 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56705118 is a wasteful number, since it uses less digits than its factorization.

56705118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9450858.

The product of its (nonzero) digits is 8400, while the sum is 33.

The square root of 56705118 is about 7530.2800744727. The cubic root of 56705118 is about 384.1853082387.

The spelling of 56705118 in words is "fifty-six million, seven hundred five thousand, one hundred eighteen".