56391327 has 12 divisors (see below), whose sum is σ = 82041960. Its totient is φ = 37322928.

The previous prime is 56391301. The next prime is 56391337. The reversal of 56391327 is 72319365.

56391327 is a `hidden beast` number, since 5 + 639 + 13 + 2 + 7 = 666.

It is not a de Polignac number, because 56391327 - 2¹⁰ = 56390303 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56391291 and 56391300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56391337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21288 + ... + 23789.

It is an arithmetic number, because the mean of its divisors is an integer number (6836830).

Almost surely, 2^56391327 is an apocalyptic number.

56391327 is a deficient number, since it is larger than the sum of its proper divisors (25650633).

56391327 is a wasteful number, since it uses less digits than its factorization.

56391327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45222 (or 45219 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 56391327 is about 7509.4158894018. The cubic root of 56391327 is about 383.4753373489.

The spelling of 56391327 in words is "fifty-six million, three hundred ninety-one thousand, three hundred twenty-seven".