56856067 has 2 divisors, whose sum is σ = 56856068. Its totient is φ = 56856066.

The previous prime is 56856049. The next prime is 56856083. The reversal of 56856067 is 76065865.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56856067 - 2¹¹ = 56854019 is a prime.

It is a super-2 number, since 2×56856067² = 6465224709416978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56856097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28428033 + 28428034.

It is an arithmetic number, because the mean of its divisors is an integer number (28428034).

Almost surely, 2^56856067 is an apocalyptic number.

56856067 is a deficient number, since it is larger than the sum of its proper divisors (1).

56856067 is an equidigital number, since it uses as much as digits as its factorization.

56856067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 56856067 is about 7540.2962143407. The cubic root of 56856067 is about 384.5259065688.

The spelling of 56856067 in words is "fifty-six million, eight hundred fifty-six thousand, sixty-seven".