55929329 has 2 divisors, whose sum is σ = 55929330. Its totient is φ = 55929328.

The previous prime is 55929323. The next prime is 55929361. The reversal of 55929329 is 92392955.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55651600 + 277729 = 7460^2 + 527^2 .

It is a cyclic number.

It is not a de Polignac number, because 55929329 - 2¹⁶ = 55863793 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55929329.

It is not a weakly prime, because it can be changed into another prime (55929323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27964664 + 27964665.

It is an arithmetic number, because the mean of its divisors is an integer number (27964665).

Almost surely, 2^55929329 is an apocalyptic number.

It is an amenable number.

55929329 is a deficient number, since it is larger than the sum of its proper divisors (1).

55929329 is an equidigital number, since it uses as much as digits as its factorization.

55929329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 218700, while the sum is 44.

The square root of 55929329 is about 7478.5913780604. The cubic root of 55929329 is about 382.4252298067.

The spelling of 55929329 in words is "fifty-five million, nine hundred twenty-nine thousand, three hundred twenty-nine".