56116131 has 8 divisors (see below), whose sum is σ = 77401680. Its totient is φ = 36120672.

The previous prime is 56116129. The next prime is 56116141. The reversal of 56116131 is 13161165.

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

It is not a de Polignac number, because 56116131 - 2¹ = 56116129 is a prime.

It is a super-2 number, since 2×56116131² = 6298040316818322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56116141) 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, 322420 + ... + 322593.

It is an arithmetic number, because the mean of its divisors is an integer number (9675210).

Almost surely, 2^56116131 is an apocalyptic number.

56116131 is a deficient number, since it is larger than the sum of its proper divisors (21285549).

56116131 is a wasteful number, since it uses less digits than its factorization.

56116131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645045.

The product of its digits is 540, while the sum is 24.

The square root of 56116131 is about 7491.0700837731. The cubic root of 56116131 is about 382.8505189651.

Adding to 56116131 its reverse (13161165), we get a palindrome (69277296).

The spelling of 56116131 in words is "fifty-six million, one hundred sixteen thousand, one hundred thirty-one".