29855069 has 2 divisors, whose sum is σ = 29855070. Its totient is φ = 29855068.

The previous prime is 29855057. The next prime is 29855101. The reversal of 29855069 is 96055892.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29539225 + 315844 = 5435^2 + 562^2 .

It is a cyclic number.

It is not a de Polignac number, because 29855069 - 2⁴ = 29855053 is a prime.

It is a super-2 number, since 2×29855069² = 1782650289989522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29855269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14927534 + 14927535.

It is an arithmetic number, because the mean of its divisors is an integer number (14927535).

Almost surely, 2^29855069 is an apocalyptic number.

It is an amenable number.

29855069 is a deficient number, since it is larger than the sum of its proper divisors (1).

29855069 is an equidigital number, since it uses as much as digits as its factorization.

29855069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 44.

The square root of 29855069 is about 5463.9792276326. The cubic root of 29855069 is about 310.2220711950. Note that the first 3 decimals are identical.

The spelling of 29855069 in words is "twenty-nine million, eight hundred fifty-five thousand, sixty-nine".