56378477 has 8 divisors (see below), whose sum is σ = 59761152. Its totient is φ = 53003200.

The previous prime is 56378459. The next prime is 56378489. The reversal of 56378477 is 77487365.

56378477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56378477 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 25652 + ... + 27762.

It is an arithmetic number, because the mean of its divisors is an integer number (7470144).

Almost surely, 2^56378477 is an apocalyptic number.

It is an amenable number.

56378477 is a deficient number, since it is larger than the sum of its proper divisors (3382675).

56378477 is a wasteful number, since it uses less digits than its factorization.

56378477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3699.

The product of its digits is 987840, while the sum is 47.

The square root of 56378477 is about 7508.5602481434. The cubic root of 56378477 is about 383.4462073822.

The spelling of 56378477 in words is "fifty-six million, three hundred seventy-eight thousand, four hundred seventy-seven".