56729181601 has 8 divisors (see below), whose sum is σ = 58662226944. Its totient is φ = 54828087600.

The previous prime is 56729181583. The next prime is 56729181617. The reversal of 56729181601 is 10618192765.

56729181601 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 not a de Polignac number, because 56729181601 - 2²³ = 56720792993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56729181661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7984225 + ... + 7991326.

It is an arithmetic number, because the mean of its divisors is an integer number (7332778368).

Almost surely, 2^56729181601 is an apocalyptic number.

It is an amenable number.

56729181601 is a deficient number, since it is larger than the sum of its proper divisors (1933045343).

56729181601 is a wasteful number, since it uses less digits than its factorization.

56729181601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15975671.

The product of its (nonzero) digits is 181440, while the sum is 46.

The spelling of 56729181601 in words is "fifty-six billion, seven hundred twenty-nine million, one hundred eighty-one thousand, six hundred one".