56378427 has 24 divisors (see below), whose sum is σ = 88106496. Its totient is φ = 31398864.

The previous prime is 56378419. The next prime is 56378431. The reversal of 56378427 is 72487365.

56378427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56378427 - 2³ = 56378419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56378447) 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 in 23 ways as a sum of consecutive naturals, for example, 235774 + ... + 236012.

It is an arithmetic number, because the mean of its divisors is an integer number (3671104).

Almost surely, 2^56378427 is an apocalyptic number.

56378427 is a deficient number, since it is larger than the sum of its proper divisors (31728069).

56378427 is an equidigital number, since it uses as much as digits as its factorization.

56378427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535 (or 296 counting only the distinct ones).

The product of its digits is 282240, while the sum is 42.

The square root of 56378427 is about 7508.5569186096. The cubic root of 56378427 is about 383.4460940274.

The spelling of 56378427 in words is "fifty-six million, three hundred seventy-eight thousand, four hundred twenty-seven".