56705727237654 has 32 divisors (see below), whose sum is σ = 123725076241536. Its totient is φ = 17183069049920.

The previous prime is 56705727237613. The next prime is 56705727237667. The reversal of 56705727237654 is 45673272750765.

It is a happy number.

56705727237654 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9755247 + ... + 14442170.

It is an arithmetic number, because the mean of its divisors is an integer number (3866408632548).

Almost surely, 2^{56705727237654} is an apocalyptic number.

56705727237654 is an abundant number, since it is smaller than the sum of its proper divisors (67019349003882).

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

56705727237654 is a wasteful number, since it uses less digits than its factorization.

56705727237654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24232940.

The product of its (nonzero) digits is 518616000, while the sum is 66.

The spelling of 56705727237654 in words is "fifty-six trillion, seven hundred five billion, seven hundred twenty-seven million, two hundred thirty-seven thousand, six hundred fifty-four".