56158746 has 32 divisors (see below), whose sum is σ = 128601600. Its totient is φ = 16015536.

The previous prime is 56158717. The next prime is 56158757. The reversal of 56158746 is 64785165.

56158746 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 56158698 and 56158707.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 32205 + ... + 33903.

It is an arithmetic number, because the mean of its divisors is an integer number (4018800).

Almost surely, 2^56158746 is an apocalyptic number.

56158746 is an abundant number, since it is smaller than the sum of its proper divisors (72442854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56158746 is a wasteful number, since it uses less digits than its factorization.

56158746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2498.

The product of its digits is 201600, while the sum is 42.

The square root of 56158746 is about 7493.9139306507. The cubic root of 56158746 is about 382.9474076040.

The spelling of 56158746 in words is "fifty-six million, one hundred fifty-eight thousand, seven hundred forty-six".