56670277 has 2 divisors, whose sum is σ = 56670278. Its totient is φ = 56670276.

The previous prime is 56670233. The next prime is 56670287. The reversal of 56670277 is 77207665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54154881 + 2515396 = 7359^2 + 1586^2 .

It is a cyclic number.

It is not a de Polignac number, because 56670277 - 2¹⁹ = 56145989 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 (56670227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28335138 + 28335139.

It is an arithmetic number, because the mean of its divisors is an integer number (28335139).

Almost surely, 2^56670277 is an apocalyptic number.

It is an amenable number.

56670277 is a deficient number, since it is larger than the sum of its proper divisors (1).

56670277 is an equidigital number, since it uses as much as digits as its factorization.

56670277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 123480, while the sum is 40.

The square root of 56670277 is about 7527.9663256420. The cubic root of 56670277 is about 384.1066078605.

The spelling of 56670277 in words is "fifty-six million, six hundred seventy thousand, two hundred seventy-seven".