56040377 has 2 divisors, whose sum is σ = 56040378. Its totient is φ = 56040376.

The previous prime is 56040349. The next prime is 56040389. The reversal of 56040377 is 77304065.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53640976 + 2399401 = 7324^2 + 1549^2 .

It is a cyclic number.

It is not a de Polignac number, because 56040377 - 2¹⁰ = 56039353 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56040307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28020188 + 28020189.

It is an arithmetic number, because the mean of its divisors is an integer number (28020189).

Almost surely, 2^56040377 is an apocalyptic number.

It is an amenable number.

56040377 is a deficient number, since it is larger than the sum of its proper divisors (1).

56040377 is an equidigital number, since it uses as much as digits as its factorization.

56040377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 56040377 is about 7486.0120892235. The cubic root of 56040377 is about 382.6781649668.

The spelling of 56040377 in words is "fifty-six million, forty thousand, three hundred seventy-seven".