56847277 has 2 divisors, whose sum is σ = 56847278. Its totient is φ = 56847276.

The previous prime is 56847257. The next prime is 56847313. The reversal of 56847277 is 77274865.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56160036 + 687241 = 7494^2 + 829^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56847277 is a prime.

It is a super-2 number, since 2×56847277² = 6463225804629458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56847227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28423638 + 28423639.

It is an arithmetic number, because the mean of its divisors is an integer number (28423639).

Almost surely, 2^56847277 is an apocalyptic number.

It is an amenable number.

56847277 is a deficient number, since it is larger than the sum of its proper divisors (1).

56847277 is an equidigital number, since it uses as much as digits as its factorization.

56847277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 658560, while the sum is 46.

The square root of 56847277 is about 7539.7133234626. The cubic root of 56847277 is about 384.5060895284.

The spelling of 56847277 in words is "fifty-six million, eight hundred forty-seven thousand, two hundred seventy-seven".