56819113 has 8 divisors (see below), whose sum is σ = 61878600. Its totient is φ = 51858048.

The previous prime is 56819111. The next prime is 56819137. The reversal of 56819113 is 31191865.

It can be written as a sum of positive squares in 4 ways, for example, as 1420864 + 55398249 = 1192^2 + 7443^2 .

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 56819113 - 2¹ = 56819111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56819111) 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, 23398 + ... + 25711.

It is an arithmetic number, because the mean of its divisors is an integer number (7734825).

Almost surely, 2^56819113 is an apocalyptic number.

It is an amenable number.

56819113 is a deficient number, since it is larger than the sum of its proper divisors (5059487).

56819113 is a wasteful number, since it uses less digits than its factorization.

56819113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49211.

The product of its digits is 6480, while the sum is 34.

The square root of 56819113 is about 7537.8453818051. The cubic root of 56819113 is about 384.4425800756.

The spelling of 56819113 in words is "fifty-six million, eight hundred nineteen thousand, one hundred thirteen".