55766629 has 2 divisors, whose sum is σ = 55766630. Its totient is φ = 55766628.

The previous prime is 55766611. The next prime is 55766639. The reversal of 55766629 is 92666755.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43864129 + 11902500 = 6623^2 + 3450^2 .

It is a cyclic number.

It is not a de Polignac number, because 55766629 - 2⁵ = 55766597 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 (55766639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27883314 + 27883315.

It is an arithmetic number, because the mean of its divisors is an integer number (27883315).

Almost surely, 2^55766629 is an apocalyptic number.

It is an amenable number.

55766629 is a deficient number, since it is larger than the sum of its proper divisors (1).

55766629 is an equidigital number, since it uses as much as digits as its factorization.

55766629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 680400, while the sum is 46.

The square root of 55766629 is about 7467.7057387125. The cubic root of 55766629 is about 382.0540410374.

The spelling of 55766629 in words is "fifty-five million, seven hundred sixty-six thousand, six hundred twenty-nine".