55805683 has 2 divisors, whose sum is σ = 55805684. Its totient is φ = 55805682.

The previous prime is 55805671. The next prime is 55805693. The reversal of 55805683 is 38650855.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55805683 - 2¹⁷ = 55674611 is a prime.

It is a super-2 number, since 2×55805683² = 6228548510192978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55805663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27902841 + 27902842.

It is an arithmetic number, because the mean of its divisors is an integer number (27902842).

Almost surely, 2^55805683 is an apocalyptic number.

55805683 is a deficient number, since it is larger than the sum of its proper divisors (1).

55805683 is an equidigital number, since it uses as much as digits as its factorization.

55805683 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144000, while the sum is 40.

The square root of 55805683 is about 7470.3201403956. The cubic root of 55805683 is about 382.1432058126.

The spelling of 55805683 in words is "fifty-five million, eight hundred five thousand, six hundred eighty-three".