56847377 has 2 divisors, whose sum is σ = 56847378. Its totient is φ = 56847376.

The previous prime is 56847367. The next prime is 56847407. The reversal of 56847377 is 77374865.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49224256 + 7623121 = 7016^2 + 2761^2 .

It is a cyclic number.

It is not a de Polignac number, because 56847377 - 2⁶ = 56847313 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56847367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28423688 + 28423689.

It is an arithmetic number, because the mean of its divisors is an integer number (28423689).

Almost surely, 2^56847377 is an apocalyptic number.

It is an amenable number.

56847377 is a deficient number, since it is larger than the sum of its proper divisors (1).

56847377 is an equidigital number, since it uses as much as digits as its factorization.

56847377 is an evil number, because the sum of its binary digits is even.

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

The square root of 56847377 is about 7539.7199550116. The cubic root of 56847377 is about 384.5063149898.

The spelling of 56847377 in words is "fifty-six million, eight hundred forty-seven thousand, three hundred seventy-seven".