56238073 has 4 divisors (see below), whose sum is σ = 56471668. Its totient is φ = 56004480.

The previous prime is 56238071. The next prime is 56238107. The reversal of 56238073 is 37083265.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52027369 + 4210704 = 7213^2 + 2052^2 .

It is a cyclic number.

It is not a de Polignac number, because 56238073 - 2¹ = 56238071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56238071) 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, 116436 + ... + 116917.

It is an arithmetic number, because the mean of its divisors is an integer number (14117917).

Almost surely, 2^56238073 is an apocalyptic number.

It is an amenable number.

56238073 is a deficient number, since it is larger than the sum of its proper divisors (233595).

56238073 is a wasteful number, since it uses less digits than its factorization.

56238073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233594.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 56238073 is about 7499.2048245131. The cubic root of 56238073 is about 383.1276334748.

The spelling of 56238073 in words is "fifty-six million, two hundred thirty-eight thousand, seventy-three".