56170001 has 4 divisors (see below), whose sum is σ = 56846832. Its totient is φ = 55493172.

The previous prime is 56169991. The next prime is 56170003. The reversal of 56170001 is 10007165.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56170001 - 2⁶ = 56169937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56170003) 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, 338291 + ... + 338456.

It is an arithmetic number, because the mean of its divisors is an integer number (14211708).

Almost surely, 2^56170001 is an apocalyptic number.

It is an amenable number.

56170001 is a deficient number, since it is larger than the sum of its proper divisors (676831).

56170001 is an equidigital number, since it uses as much as digits as its factorization.

56170001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676830.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 56170001 is about 7494.6648357348. The cubic root of 56170001 is about 382.9729885715.

Adding to 56170001 its reverse (10007165), we get a palindrome (66177166).

The spelling of 56170001 in words is "fifty-six million, one hundred seventy thousand, one".