56464817 has 4 divisors (see below), whose sum is σ = 57145200. Its totient is φ = 55784436.

The previous prime is 56464801. The next prime is 56464819. The reversal of 56464817 is 71846465.

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 56464817 - 2⁴ = 56464801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56464819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340067 + ... + 340232.

It is an arithmetic number, because the mean of its divisors is an integer number (14286300).

Almost surely, 2^56464817 is an apocalyptic number.

It is an amenable number.

56464817 is a deficient number, since it is larger than the sum of its proper divisors (680383).

56464817 is an equidigital number, since it uses as much as digits as its factorization.

56464817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680382.

The product of its digits is 161280, while the sum is 41.

The square root of 56464817 is about 7514.3074863889. The cubic root of 56464817 is about 383.6418485878.

The spelling of 56464817 in words is "fifty-six million, four hundred sixty-four thousand, eight hundred seventeen".