56707081 has 2 divisors, whose sum is σ = 56707082. Its totient is φ = 56707080.

The previous prime is 56707043. The next prime is 56707099. The reversal of 56707081 is 18070765.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45010681 + 11696400 = 6709^2 + 3420^2 .

It is a cyclic number.

It is not a de Polignac number, because 56707081 - 2¹⁹ = 56182793 is a prime.

It is a super-2 number, since 2×56707081² = 6431386071081122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56707031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28353540 + 28353541.

It is an arithmetic number, because the mean of its divisors is an integer number (28353541).

Almost surely, 2^56707081 is an apocalyptic number.

It is an amenable number.

56707081 is a deficient number, since it is larger than the sum of its proper divisors (1).

56707081 is an equidigital number, since it uses as much as digits as its factorization.

56707081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 56707081 is about 7530.4104137822. The cubic root of 56707081 is about 384.1897413898.

The spelling of 56707081 in words is "fifty-six million, seven hundred seven thousand, eighty-one".