56387141 has 2 divisors, whose sum is σ = 56387142. Its totient is φ = 56387140.

The previous prime is 56387137. The next prime is 56387143. The reversal of 56387141 is 14178365.

56387141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42954916 + 13432225 = 6554^2 + 3665^2 .

It is a cyclic number.

It is not a de Polignac number, because 56387141 - 2² = 56387137 is a prime.

Together with 56387143, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56387143) 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 as a sum of consecutive naturals, namely, 28193570 + 28193571.

It is an arithmetic number, because the mean of its divisors is an integer number (28193571).

Almost surely, 2^56387141 is an apocalyptic number.

It is an amenable number.

56387141 is a deficient number, since it is larger than the sum of its proper divisors (1).

56387141 is an equidigital number, since it uses as much as digits as its factorization.

56387141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 35.

The square root of 56387141 is about 7509.1371674780. The cubic root of 56387141 is about 383.4658484932.

The spelling of 56387141 in words is "fifty-six million, three hundred eighty-seven thousand, one hundred forty-one".