56378047 has 16 divisors (see below), whose sum is σ = 64088064. Its totient is φ = 49140000.

The previous prime is 56378039. The next prime is 56378053. The reversal of 56378047 is 74087365.

It is a cyclic number.

It is not a de Polignac number, because 56378047 - 2³ = 56378039 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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27922 + ... + 29872.

It is an arithmetic number, because the mean of its divisors is an integer number (4005504).

Almost surely, 2^56378047 is an apocalyptic number.

56378047 is a deficient number, since it is larger than the sum of its proper divisors (7710017).

56378047 is a wasteful number, since it uses less digits than its factorization.

56378047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 56378047 is about 7508.5316141041. The cubic root of 56378047 is about 383.4452325286.

The spelling of 56378047 in words is "fifty-six million, three hundred seventy-eight thousand, forty-seven".