56681158 has 8 divisors (see below), whose sum is σ = 85094928. Its totient is φ = 28316184.

The previous prime is 56681137. The next prime is 56681159. The reversal of 56681158 is 85118665.

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

It is a self number, because there is not a number n which added to its sum of digits gives 56681158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56681159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9141 + ... + 14032.

It is an arithmetic number, because the mean of its divisors is an integer number (10636866).

Almost surely, 2^56681158 is an apocalyptic number.

56681158 is a deficient number, since it is larger than the sum of its proper divisors (28413770).

56681158 is a wasteful number, since it uses less digits than its factorization.

56681158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24398.

The product of its digits is 57600, while the sum is 40.

The square root of 56681158 is about 7528.6889961002. The cubic root of 56681158 is about 384.1311898034.

It can be divided in two parts, 56681 and 158, that multiplied together give a palindrome (8955598).

The spelling of 56681158 in words is "fifty-six million, six hundred eighty-one thousand, one hundred fifty-eight".