56115293 has 4 divisors (see below), whose sum is σ = 60431868. Its totient is φ = 51798720.

The previous prime is 56115281. The next prime is 56115299. The reversal of 56115293 is 39251165.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39251165 = 5 ⋅7850233.

It can be written as a sum of positive squares in 2 ways, for example, as 6017209 + 50098084 = 2453^2 + 7078^2 .

It is a cyclic number.

It is not a de Polignac number, because 56115293 - 2¹⁶ = 56049757 is a prime.

It is a super-2 number, since 2×56115293² = 6297852216951698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56115299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2158268 + ... + 2158293.

It is an arithmetic number, because the mean of its divisors is an integer number (15107967).

Almost surely, 2^56115293 is an apocalyptic number.

It is an amenable number.

56115293 is a deficient number, since it is larger than the sum of its proper divisors (4316575).

56115293 is a wasteful number, since it uses less digits than its factorization.

56115293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4316574.

The product of its digits is 8100, while the sum is 32.

The square root of 56115293 is about 7491.0141503003. The cubic root of 56115293 is about 382.8486132128.

The spelling of 56115293 in words is "fifty-six million, one hundred fifteen thousand, two hundred ninety-three".