56113013 has 8 divisors (see below), whose sum is σ = 61533696. Its totient is φ = 50745600.

The previous prime is 56113003. The next prime is 56113019. The reversal of 56113013 is 31031165.

It is a happy number.

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 56113013 - 2⁴ = 56112997 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 (56113019) 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, 11093 + ... + 15338.

It is an arithmetic number, because the mean of its divisors is an integer number (7691712).

Almost surely, 2^56113013 is an apocalyptic number.

It is an amenable number.

56113013 is a deficient number, since it is larger than the sum of its proper divisors (5420683).

56113013 is a wasteful number, since it uses less digits than its factorization.

56113013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26635.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 56113013 is about 7490.8619664228. The cubic root of 56113013 is about 382.8434280152.

Adding to 56113013 its reverse (31031165), we get a palindrome (87144178).

The spelling of 56113013 in words is "fifty-six million, one hundred thirteen thousand, thirteen".