56834813 has 4 divisors (see below), whose sum is σ = 64954080. Its totient is φ = 48715548.

The previous prime is 56834773. The next prime is 56834837. The reversal of 56834813 is 31843865.

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 not a de Polignac number, because 56834813 - 2¹⁰ = 56833789 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56837813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4059623 + ... + 4059636.

It is an arithmetic number, because the mean of its divisors is an integer number (16238520).

Almost surely, 2^56834813 is an apocalyptic number.

It is an amenable number.

56834813 is a deficient number, since it is larger than the sum of its proper divisors (8119267).

56834813 is an equidigital number, since it uses as much as digits as its factorization.

56834813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8119266.

The product of its digits is 69120, while the sum is 38.

The square root of 56834813 is about 7538.8867215259. The cubic root of 56834813 is about 384.4779859590.

The spelling of 56834813 in words is "fifty-six million, eight hundred thirty-four thousand, eight hundred thirteen".