56582158 has 4 divisors (see below), whose sum is σ = 84873240. Its totient is φ = 28291078.

The previous prime is 56582153. The next prime is 56582159. The reversal of 56582158 is 85128565.

56582158 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85128565 = 5 ⋅17025713.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 56582158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56582153) 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 as a sum of consecutive naturals, namely, 14145538 + ... + 14145541.

It is an arithmetic number, because the mean of its divisors is an integer number (21218310).

Almost surely, 2^56582158 is an apocalyptic number.

56582158 is a deficient number, since it is larger than the sum of its proper divisors (28291082).

56582158 is a wasteful number, since it uses less digits than its factorization.

56582158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28291081.

The product of its digits is 96000, while the sum is 40.

The square root of 56582158 is about 7522.1112727744. Note that the first 3 decimals coincide. The cubic root of 56582158 is about 383.9074167350.

The spelling of 56582158 in words is "fifty-six million, five hundred eighty-two thousand, one hundred fifty-eight".