56051013 has 8 divisors (see below), whose sum is σ = 74776576. Its totient is φ = 37346400.

The previous prime is 56051011. The next prime is 56051027. The reversal of 56051013 is 31015065.

It is a happy number.

56051013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56051013 - 2¹ = 56051011 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 (56051011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2748 + ... + 10938.

It is an arithmetic number, because the mean of its divisors is an integer number (9347072).

Almost surely, 2^56051013 is an apocalyptic number.

It is an amenable number.

56051013 is a deficient number, since it is larger than the sum of its proper divisors (18725563).

56051013 is a wasteful number, since it uses less digits than its factorization.

56051013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10475.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 56051013 is about 7486.7224471059. The cubic root of 56051013 is about 382.7023731521.

Adding to 56051013 its reverse (31015065), we get a palindrome (87066078).

The spelling of 56051013 in words is "fifty-six million, fifty-one thousand, thirteen".