56378711 has 2 divisors, whose sum is σ = 56378712. Its totient is φ = 56378710.

The previous prime is 56378683. The next prime is 56378717. The reversal of 56378711 is 11787365.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56378711 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56378717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28189355 + 28189356.

It is an arithmetic number, because the mean of its divisors is an integer number (28189356).

Almost surely, 2^56378711 is an apocalyptic number.

56378711 is a deficient number, since it is larger than the sum of its proper divisors (1).

56378711 is an equidigital number, since it uses as much as digits as its factorization.

56378711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 38.

The square root of 56378711 is about 7508.5758303423. The cubic root of 56378711 is about 383.4467378819.

The spelling of 56378711 in words is "fifty-six million, three hundred seventy-eight thousand, seven hundred eleven".