56555339 has 2 divisors, whose sum is σ = 56555340. Its totient is φ = 56555338.

The previous prime is 56555333. The next prime is 56555341. The reversal of 56555339 is 93355565.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56555339 - 2¹⁶ = 56489803 is a prime.

Together with 56555341, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 56555296 and 56555305.

It is not a weakly prime, because it can be changed into another prime (56555333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28277669 + 28277670.

It is an arithmetic number, because the mean of its divisors is an integer number (28277670).

Almost surely, 2^56555339 is an apocalyptic number.

56555339 is a deficient number, since it is larger than the sum of its proper divisors (1).

56555339 is an equidigital number, since it uses as much as digits as its factorization.

56555339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 303750, while the sum is 41.

The square root of 56555339 is about 7520.3283837875. The cubic root of 56555339 is about 383.8467519100.

The spelling of 56555339 in words is "fifty-six million, five hundred fifty-five thousand, three hundred thirty-nine".