56394787 has 8 divisors (see below), whose sum is σ = 56843712. Its totient is φ = 55948200.

The previous prime is 56394773. The next prime is 56394791. The reversal of 56394787 is 78749365.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 56394787 - 2⁷ = 56394659 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56394787.

It is not an unprimeable number, because it can be changed into a prime (56394757) 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 7 ways as a sum of consecutive naturals, for example, 114612 + ... + 115102.

It is an arithmetic number, because the mean of its divisors is an integer number (7105464).

Almost surely, 2^56394787 is an apocalyptic number.

56394787 is a deficient number, since it is larger than the sum of its proper divisors (448925).

56394787 is a wasteful number, since it uses less digits than its factorization.

56394787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169.

The product of its digits is 1270080, while the sum is 49.

The square root of 56394787 is about 7509.6462633069. The cubic root of 56394787 is about 383.4831801479.

The spelling of 56394787 in words is "fifty-six million, three hundred ninety-four thousand, seven hundred eighty-seven".