56170107221 has 8 divisors (see below), whose sum is σ = 58411238400. Its totient is φ = 53949258160.

The previous prime is 56170107197. The next prime is 56170107223. The reversal of 56170107221 is 12270107165.

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-56170107221 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 (56170107223) 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, 5064881 + ... + 5075958.

It is an arithmetic number, because the mean of its divisors is an integer number (7301404800).

Almost surely, 2^56170107221 is an apocalyptic number.

It is an amenable number.

56170107221 is a deficient number, since it is larger than the sum of its proper divisors (2241131179).

56170107221 is a wasteful number, since it uses less digits than its factorization.

56170107221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10141059.

The product of its (nonzero) digits is 5880, while the sum is 32.

The spelling of 56170107221 in words is "fifty-six billion, one hundred seventy million, one hundred seven thousand, two hundred twenty-one".